Vocabulary

  • talking about: To discuss a particular topic.
  • trade off: Exchange that occurs as a compromise
  • have to: Must do
  • reflect on: To think deeply or carefully about something.
  • for example: As an illustration or instance.
  • instead of: When one thing is replaced by another
  • fit in: To mix with others so you get on well with them
  • quick question: A brief and simple inquiry.
  • look at: To use your eyes to focus on something
  • of course: Sure ; Certainly
  • over time: Gradually; as time passes.
  • one step ahead: Having an advantage or being more prepared than others.
  • result in: To cause or produce as a consequence.
  • only from: Exclusively originating or sourced from a particular place or entity.
  • pass for: To be accepted as being another person
  • come back: To reply to someone, often forcefully
  • in total: Completely; with everything added together.
  • at the same time: Simultaneously; at the identical moment.
  • same time: Occurring simultaneously or at the same point in time.
  • due to: Because of; owing to
  • see in: To accompany someone to the entrance of a building or room.
  • phase in: To start using or doing things gradually
  • in parallel: Done at the same time; simultaneously.
  • best practice: A procedure that has been shown by research and experience to produce optimal results and that is established or proposed as a standard suitable for widespread adoption.
  • cool down: To become cooler; to reduce in temperature.
  • rely on: To depend on someone or something
  • in terms of
  • in summary: Briefly stating or reviewing main points.
  • turn on
  • turn off
  • in case of: If something happens; in the event of.
  • process: To organize and use data in a computer
  • opportunity: Time, situation when a thing might be done; chance
  • basically: Used before you explain something simply, clearly
  • effective: Working efficiently to produce a desired result
  • achieve: To succeed in doing good, usually by working hard
  • consumption: The act of buying and using products
  • current: Electricity flowing through wires
  • comment: Something you say, giving an opinion; remark
  • integrate: To combine together; make into one thing
  • increase: To make or become larger in size or amount
  • reflect: To indicate or be a sign of something
  • shift: To change in position or direction
  • state: Region within a country, with its own government
  • primary: Most important, most basic or essential
  • generate: To create or be produced or bring into existence
  • core: To take out the central section of a fruit
  • compare: To consider how similar and different things are
  • board: Surface for posting or showing information
  • labor: To struggle to do something because it's difficult
  • profile: To write a short description of a person or group
  • performance: Act of doing something
  • switch: A change or shift from one method to another
  • couple: To join something to something else
  • provide: To make available; to supply for use
  • device: Object, machine, or equipment for a specific use
  • layer: One of several sheets of a material or object
  • peak: Part of a cap that sticks out over your eyes
  • stage: To organize an event to gain public interest
  • frequency: Number of repetitions of (radio or sound) wave
  • reduction: Act of making something smaller
  • single: One run in cricket or a hit baseball
  • shield: A family's coat of arms or insignia
  • magnetic: Having the properties of a magnet; able to attract
  • system: Set of organized, planned ideas that work together
  • fully: Completely or entirely
  • optimize: To make as effective as possible
  • prototype: A first or preliminary version of a device or vehicle from which other forms are developed
  • density: Degree to which an area is filled or covered
  • turn: To become (a particular age)
  • question: To ask for or try to get information
  • footprint: Mark left by a foot of an animal or human
  • simulation: A copying method to study the real world
  • wind: A current of air moving approximately horizontally, especially one strong enough to be felt
  • hold: To agree to keep something for someone
  • dynasty: Family that controls a country for a long time
  • discharge: To complete a task that has been assigned
  • datum: Item of factual information
  • automate: To make automatic by using machines
  • silicon: Mineral used in making steel and computer parts
  • cubic: Measurement of the length, width, and height
  • optimization: Efforts to make as effective as possible
  • resonant: Strong and deep in tone
  • voltage: Measured force of electricity
  • transformer: Electrical device to change electrical voltage
  • watt: Standard unit used to measure electrical power
  • volt: Unit in which electricity is measured
  • kilowatt: Unit of electrical power; 1000 watts, 1000
Placeholder Image

    Preparing usage notes, please check back later

  • not found vocabularyNo vocabulary matches your filters
    • achieve

      US /əˈtʃiv/

      UK /ə'tʃi:v/

      • Transitive Verb
      • To succeed in doing good, usually by working hard
      • To succeed in reaching a particular goal, status, or standard, often after effort or perseverance.
      A2TOEIC
      More
    • at the same time

      US

      UK

      • Phrase
      • Simultaneously; at the identical moment.
      • Nevertheless; however; used to introduce a contrasting or qualifying statement.
      A1
      More
    • automate

      US /ˈɔtəˌmet/

      UK /'ɔ:təmeɪt/

      • Transitive Verb
      • To make automatic by using machines
      B2TOEIC
      More
    • basically

      US /ˈbesɪkəli,-kli/

      UK /ˈbeɪsɪkli/

      • Adverb
      • Used before you explain something simply, clearly
      • In essence; when you consider the most important aspects of something.
      A2
      More
    • best practice

      US

      UK

      • Noun
      • A procedure that has been shown by research and experience to produce optimal results and that is established or proposed as a standard suitable for widespread adoption.
      A1
      More
    • come back

      US /kʌm bæk/

      UK /kʌm bæk/

      • Phrasal Verb
      • To reply to someone, often forcefully
      • To be remembered
      A1
      More
    • comment

      US /ˈkɑmɛnt/

      UK /'kɒment/

      • Noun (Countable/Uncountable)
      • Something you say, giving an opinion; remark
      • An explanatory note in a computer program.
      • Verb (Transitive/Intransitive)
      • To say something that gives your opinion
      • To add explanatory notes to a computer program.
      A2
      More
    • consumption

      US /kənˈsʌmpʃən/

      UK /kənˈsʌmpʃn/

      • Noun (Countable/Uncountable)
      • The act of buying and using products
      • The act of using energy, food or materials; the amount used
      B1
      More
    • cool down

      US /kul daʊn/

      UK /ku:l daun/

      • Phrasal Verb
      • To become cooler; to reduce in temperature.
      • To become calm and relaxed after being angry or excited.
      • Intransitive Verb
      • To perform light exercises after a more intense workout to gradually decrease heart rate and breathing.
      A2
      More
    • core

      US /kɔr, kor/

      UK /kɔ:(r)/

      • Transitive Verb
      • To take out the central section of a fruit
      • Noun (Countable/Uncountable)
      • Important central part of something
      • The hard central part of certain fruits, containing the seeds.
      A2
      More
    • couple

      US /ˈkʌpəl/

      UK /'kʌpl/

      • Transitive Verb
      • To join something to something else
      • (Two animals) to engage in sexual relations
      • Noun (Countable/Uncountable)
      • Two people in a romantic relationship
      • Two of something; two people; a pair
      A2
      More
    • cubic

      US /ˈkjubɪk/

      UK /ˈkju:bɪk/

      • Adjective
      • Measurement of the length, width, and height
      B2
      More
    • current

      US /ˈkɚrənt, ˈkʌr-/

      UK /'kʌrənt/

      • Uncountable Noun
      • Electricity flowing through wires
      • Movement of water in a river, or air in the sky
      • Adjective
      • Happening or being in the present time
      • In general use or accepted by most people.
      A2
      More
    • datum

      US /ˈdetəm, ˈdætəm, ˈdɑtəm/

      UK /ˈdeɪtəm/

      • Noun
      • Item of factual information
      B1
      More
    • density

      US /ˈdɛnsɪti/

      UK /ˈdensəti/

      • Noun (Countable/Uncountable)
      • Degree to which an area is filled or covered
      • The degree of compactness of a substance.
      C1TOEIC
      More
    • device

      US /dɪˈvaɪs/

      UK /dɪˈvaɪs/

      • Noun (Countable/Uncountable)
      • Object, machine, or equipment for a specific use
      • Method of doing something; a way
      A2TOEIC
      More
    • discharge

      US /dɪsˈtʃɑ:rdʒ/

      UK /dɪsˈtʃɑ:dʒ/

      • Transitive Verb
      • To complete a task that has been assigned
      • To produce or release a substance
      • Noun (Countable/Uncountable)
      • A substance that has been released
      • The retirement of someone from service e.g. army
      B1
      More
    • due to

      US /du tu/

      UK /dju: tu:/

      • Preposition
      • Because of; owing to
      • Adjective
      • Attributable to; caused by.
      A1
      More
    • dynasty

      US /ˈdaɪnəsti/

      UK /ˈdɪnəsti/

      • Countable Noun
      • Family that controls a country for a long time
      B1
      More
    • fit in

      US /fɪt ɪn/

      UK /fit in/

      • Phrasal Verb
      • To mix with others so you get on well with them
      A2
      More
    • footprint

      US /ˈfʊtˌprɪnt/

      UK /ˈfʊtprɪnt/

      • Noun (Countable/Uncountable)
      • Mark left by a foot of an animal or human
      • The effect a person or community has on the environment, expressed as the amount of carbon dioxide produced.
      C1
      More
    • for example

      US

      UK

      • Phrase
      • As an illustration or instance.
      More
    • frequency

      US /ˈfrikwənsi/

      UK /'fri:kwənsɪ/

      • Uncountable Noun
      • Number of repetitions of (radio or sound) wave
      • How often something happens
      B1TOEIC
      More
    • generate

      US /ˈdʒɛnəˌret/

      UK /ˈdʒenəreɪt/

      • Transitive Verb
      • To create or be produced or bring into existence
      • To create electricity, heat, energy and power
      A2TOEIC
      More
    • have to

      US /hæv tu/

      UK /ˈhæv tə/

      • Auxiliary Verb
      • Must do
      A1
      More
    • in case of

      US /ɪn kes ʌv/

      UK /in keis ɔv/

      • Preposition
      • If something happens; in the event of.
      • If something happens.
      • Conjunction
      • To be prepared for something that might happen.
      A1
      More
    • in parallel

      US /ɪn ˈpærəˌlɛl/

      UK /in ˈpærəlel/

      • Adverb
      • Done at the same time; simultaneously.
      • Adjective
      • Relating to a system where multiple operations are carried out simultaneously, especially in computing.
      C2
      More
    • in summary

      US /ɪn ˈsʌməri/

      UK /in ˈsʌməri/

      • Phrase
      • Briefly stating or reviewing main points.
      B2
      More
    • in terms of

      US

      UK

      • Phrase
      • With regard to; concerning a particular aspect.
      A1
      More
    • in total

      US /ɪn ˈtotl/

      UK /in ˈtəutəl/

      • Phrase
      • Completely; with everything added together.
      A1
      More
    • instead of

      US /ɪnˈstɛd ʌv/

      UK /inˈsted ɔv/

      • Preposition
      • When one thing is replaced by another
      • Adverb
      • As a substitute or alternative.
      A1
      More
    • integrate

      US /ˈɪntɪˌɡret/

      UK /ˈɪntɪgreɪt/

      • Transitive Verb
      • To combine together; make into one thing
      • To bring (people or groups with particular characteristics or needs) into equal participation in or membership of a social group or institution.
      A2
      More
    • kilowatt

      US /ˈkɪləwɑ:t/

      UK /ˈkɪləwɒt/

      • Noun
      • Unit of electrical power; 1000 watts, 1000
      B2
      More
    • layer

      US /ˈleɚ/

      UK /ˈleiə/

      • Noun (Countable/Uncountable)
      • One of several sheets of a material or object
      • A covering of something spread over a surface.
      • Transitive Verb
      • To put things one on top of another
      B1TOEIC
      More
    • look at

      US /lʊk æt/

      UK /luk æt/

      • Phrasal Verb
      • To use your eyes to focus on something
      • To focus your eyes on something carefully
      A1
      More
    • magnetic

      US /mæɡˈnɛtɪk/

      UK /mægˈnetɪk/

      • Adjective
      • Having the properties of a magnet; able to attract
      • Having great power to attract attention, interest
      B2
      More
    • of course

      US /ʌv kɔː(r)s/

      UK /ɔv kɔː(r)s/

      • Adverb
      • Sure ; Certainly
      • Phrase
      • For sure; certainly
      A2
      More
    • one step ahead

      US /wʌn stɛp əˈhɛd/

      UK /wʌn step əˈhed/

      • Adjective
      • Having an advantage or being more prepared than others.
      • Phrase
      • Planning or thinking in advance.
      B1
      More
    • only from

      US

      UK

      • Preposition
      • Exclusively originating or sourced from a particular place or entity.
      • Phrase
      • Solely as a result of; exclusively due to.
      A1
      More
    • opportunity

      US /ˌɑpɚˈtunɪti, -ˈtju-/

      UK /ˌɒpə'tju:nətɪ/

      • Noun (Countable/Uncountable)
      • Time, situation when a thing might be done; chance
      • A favorable time or occasion for doing something.
      A2TOEIC
      More
    • optimization

      US /ˌɑptəmɪˈzeʃən/

      UK /ˌɒptɪmaɪ'zeɪʃən/

      • Uncountable Noun
      • Efforts to make as effective as possible
      B2
      More
    • optimize

      US /ˈɑ:ptɪmaɪz/

      UK /ˈɒptɪmaɪz/

      • Transitive Verb
      • To make as effective as possible
      B2
      More
    • over time

      US /ˈovɚ taɪm/

      UK /ˈəuvə taim/

      • Phrase
      • Gradually; as time passes.
      • During a long period.
      • Adverb
      • Gradually; as time passes.
      B1
      More
    • pass for

      US

      UK

      • Phrasal Verb
      • To be accepted as being another person
      A1
      More
    • peak

      US /pik/

      UK /pi:k/

      • Noun
      • Part of a cap that sticks out over your eyes
      • The very top of a mountain
      • Intransitive Verb
      • To reach the highest or best point
      B1
      More
    • performance

      US / pɚˈfɔrməns/

      UK /pə'fɔ:məns/

      • Noun
      • Act of doing something
      • Activity done to entertain an audience
      A2TOEIC
      More
    • phase in

      US

      UK

      • Phrasal Verb
      • To start using or doing things gradually
      A2
      More
    • primary

      US /ˈpraɪˌmɛri, -məri/

      UK /'praɪmərɪ/

      • Adjective
      • Most important, most basic or essential
      • Happening first; earliest
      B2
      More
    • process

      US /ˈprɑsˌɛs, ˈproˌsɛs/

      UK /prə'ses/

      • Transitive Verb
      • To organize and use data in a computer
      • To deal with official forms in the way required
      • Noun (Countable/Uncountable)
      • Dealing with official forms in the way required
      • Set of changes that occur slowly and naturally
      A2TOEIC
      More
    • profile

      US /ˈproˌfaɪl/

      UK /'prəʊfaɪl/

      • Transitive Verb
      • To write a short description of a person or group
      • To write or create a profile of someone or something.
      • Noun (Countable/Uncountable)
      • A short description of a person or group
      • Shape of someone's head when viewed from the side
      B1
      More
    • prototype

      US /ˈproʊ.t̬ə.taɪp/

      UK /ˈprəʊ.tə.taɪp/

      • Countable Noun
      • A first or preliminary version of a device or vehicle from which other forms are developed
      B2
      More
    • quick question

      US

      UK

      • Noun (Countable/Uncountable)
      • A brief and simple inquiry.
      • Phrase
      • An introductory phrase indicating a question requiring a prompt answer.
      A1
      More
    • reduction

      US /rɪˈdʌkʃən/

      UK /rɪ'dʌkʃn/

      • Noun
      • Act of making something smaller
      B1
      More
    • reflect

      US /rɪˈflɛkt/

      UK /rɪ'flekt/

      • Verb (Transitive/Intransitive)
      • To indicate or be a sign of something
      • To bounce back light, heat, sound from a surface
      A2TOEIC
      More
    • reflect on

      US /rɪˈflɛkt ɑn/

      UK /riˈflekt ɔn/

      • Phrasal Verb
      • To think deeply or carefully about something.
      B2
      More
    • rely on

      US /rɪˈlaɪ ɑn/

      UK /riˈlai ɔn/

      • Phrasal Verb
      • To depend on someone or something
      A2
      More
    • resonant

      US /ˈrɛzənənt/

      UK /ˈrezənənt/

      • Adjective
      • Strong and deep in tone
      C2TOEIC
      More
    • result in

      US /rɪˈzʌlt ɪn/

      UK /riˈzʌlt in/

      • Phrasal Verb
      • To cause or produce as a consequence.
      More
    • same time

      US

      UK

      • Phrase
      • Occurring simultaneously or at the same point in time.
      • At the identical time as before; recurring at a fixed hour.
      • Noun
      • An equal duration or period.
      A1
      More
    • see in

      US /si ɪn/

      UK /si: in/

      • Phrasal Verb
      • To accompany someone to the entrance of a building or room.
      A1
      More
    • shield

      US /ʃild/

      UK /ʃi:ld/

      • Noun
      • A family's coat of arms or insignia
      • Device used to protect from a harmful force
      • Transitive Verb
      • To cover (e.g. your face) so as to hide from
      • To cover from a dangerous or harmful force
      B1
      More
    • shift

      US /ʃɪft/

      UK /ʃɪft/

      • Verb (Transitive/Intransitive)
      • To change in position or direction
      • To move something from one place to another
      • Noun (Countable/Uncountable)
      • A change in a persons plans, opinions or beliefs
      • Period of work starting at a certain time
      A2
      More
    • silicon

      US /ˈsɪlɪkən, -ˌkɑn/

      UK /ˈsɪlɪkən/

      • Uncountable Noun
      • Mineral used in making steel and computer parts
      B2
      More
    • simulation

      US /ˌsɪmjəˈleʃən/

      UK /ˌsɪmjuˈleɪʃn/

      • Noun
      • A copying method to study the real world
      B1TOEIC
      More
    • switch

      US /swɪtʃ/

      UK /swɪtʃ/

      • Noun
      • A change or shift from one method to another
      • Thing you move to turn electrical items on or off
      • Transitive Verb
      • To exchange or replace something for another thing
      A2TOEIC
      More
    • talking about

      US

      UK

      • Phrasal Verb
      • To discuss a particular topic.
      • To be constantly mentioning or bringing up a subject.
      A1
      More
    • trade off

      US /treid ɔf/

      UK /treid ɔf/

      • Noun (Countable/Uncountable)
      • Exchange that occurs as a compromise
      • Verb (Transitive/Intransitive)
      • To accept that you cannot have everything you want and give up something that is less important so that you can have what is more important.
      • To balance two opposing situations or qualities; to compromise.
      C2
      More
    • transformer

      US /trænsˈfɔ:rmə(r)/

      UK /trænsˈfɔ:mə(r)/

      • Noun
      • Electrical device to change electrical voltage
      C2
      More
    • turn off

      US

      UK

      • Phrasal Verb
      • To make someone feel negatively about something
      A1
      More
    • turn on

      US /tɚn ɑn/

      UK /tə:n ɔn/

      • Phrasal Verb
      • To cause someone to be interested or excited
      • Transitive Verb
      • To activate or switch on a device or appliance.
      • To suddenly attack or criticize someone.
      A1
      More
    • volt

      US /volt/

      UK /vəult/

      • Noun
      • Unit in which electricity is measured
      B1
      More
    • voltage

      US /ˈvoʊltɪdʒ/

      UK /ˈvəʊltɪdʒ/

      • Noun (Countable/Uncountable)
      • Measured force of electricity
      B1
      More
    • watt

      US /wɑt/

      UK /wɒt/

      • Noun
      • Standard unit used to measure electrical power
      B2
      More
    Video not in English?
    Video not in English?

    Get the full experience in the app

    Learn anywhere with detailed sentence and usage analysis

    preview
    01:03

    She took a brave step forward, leaving behind her comfort zone to chase her dreams.

    Vocabulary
    • brave

      adj. Having courage

    • comfort zone

      phr. A familiar situation where one feels safe

    Explanation
    a brave step is a noun phrase, where brave is an adjective modifying the noun step, meaning "a courageous step". forward is an adverb modifying step, meaning "ahead". The whole phrase serves as the object, answering the "what" of took (verb) — she took a brave step forward.

    Get the full experience in the app

    Look up words anytime with pronunciation, part of speech, and usage

    preview

    brave

    US/brev/
    UK/breɪv/
    adj.Brave
    v.t.To bravely face
    A2 Elementary

    Get the full experience in the app

    Practice speaking anytime and get instant pronunciation feedback

    preview

    Try this speaking exercise.

    Try practicing with this sentence.

    80
    B1US
    #phase#loss#frequency#dc#design#efficiency

    Low-Profile High-Efficiency 6kW 400V/48V Three-Phase LLC with Integrated Planar Magnetics

    0
    Richard Shi posted on 2025/05/31
    Ever wondered how to make power systems super efficient and compact? This video dives deep into a 6kW three-phase LLC converter, packed with advanced vocabulary like 'planar magnetics' and 'GaN devices' that power engineers will love! You'll get a fantastic technical deep dive that's perfect for boosting your specialized English skills.

    Learn this video on the APP!

    The VoiceTube App has more in-depth practice for videos!

    Recommended Videos

    Auto Next Video

    Footer

    Download on the App StoreGet it on Google Play

    About

    • About Us
    • Our Learning Services
    • Join Us
    • FAQ
    • Hot Tags

    Services

    • Pronunciation Challenge
    • Saved
    • Search Vocabulary
    • Blog

    Channels

    Levels

    • A1
    • A2
    • B1
    • B2
    • C1
    • C2

    Privacy˙Terms˙
    ©2026 VoiceTube Corporation. All rights reserved