accuracy
US /ˈækjərəsi/
UK /ˈækjərəsi/
- Uncountable Noun
- Being exactly right; correctness
- The degree to which something is close to the true value.
A2TOEICMoreamp
US /æmp/
UK /æmp/
- Noun
- Shortened form of amplifier
B1Morebased on
US
UK
- Phrasal Verb
- To use something as the foundation or starting point for something else.
- Preposition
- Using something as the main idea or foundation.
- Relying on something as evidence or justification.
A1Morecapacitor
US /kəˈpæsɪtɚ/
UK /kəˈpæsɪtə(r)/
- Noun
- Device that can temporarily store electric charge
C1Morechip
US /tʃɪp/
UK /tʃɪp/
- Transitive Verb
- To break a small piece off something such as a cup
- To break into small pieces, often with a tool
- Noun (Countable/Uncountable)
- Small piece that has broken off (e.g. from cup)
- Piece of computer hardware that does calculations
B1Morecircuit
US /ˈsɜ:rkɪt/
UK /ˈsɜ:kɪt/
- Noun
- An area where cars race in a circle
- Route for journey all the way around a place
- Intransitive Verb
- To complete a journey all the way round an area
B1Moreconsumption
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
B1Morecrystal
US /ˈkrɪstəl/
UK /'krɪstl/
- Noun (Countable/Uncountable)
- A solid formed by the solidification of a chemical
- Rock with regularly repeating internal structure
- Proper Noun
- Person's name
B1Moredatum
US /ˈdetəm, ˈdætəm, ˈdɑtəm/
UK /ˈdeɪtəm/
- Noun
- Item of factual information
B1Moredetermine
US /dɪˈtɚmɪn/
UK /dɪ'tɜ:mɪn/
- Transitive Verb
- To control exactly how something will be or act
- To establish the facts about; discover
A2TOEICMoreengineering
US /ˌendʒɪˈnɪrɪŋ/
UK /ˌendʒɪˈnɪərɪŋ/
- Uncountable Noun
- The practical application of science to industry
B1Morefancy
US /ˈfænsi/
UK /'fænsɪ/
- Verb (Transitive/Intransitive)
- To want to have or do something; feel like
- To imagine or suppose that something will happen
- Adjective
- Unusual and attractive in design
A2TOEICMorefor example
US
UK
- Phrase
- As an illustration or instance.
frequency
US /ˈfrikwənsi/
UK /'fri:kwənsɪ/
- Uncountable Noun
- Number of repetitions of (radio or sound) wave
- How often something happens
B1TOEICMoregenerally
US /ˈdʒɛnərəli/
UK /ˈdʒenrəli/
- Adverb
- Usually; as a rule; by, to or for most people
A2Moregenerate
US /ˈdʒɛnəˌret/
UK /ˈdʒenəreɪt/
- Transitive Verb
- To create or be produced or bring into existence
- To create electricity, heat, energy and power
A2TOEICMorehave to
US /hæv tu/
UK /ˈhæv tə/
- Auxiliary Verb
- Must do
A1Morehz
US
UK
- Noun
- Unit for measuring the frequency of sound waves
B2Morelook at
US /lʊk æt/
UK /luk æt/
- Phrasal Verb
- To use your eyes to focus on something
- To focus your eyes on something carefully
A1Moreloop
US /lup/
UK /lu:p/
- Noun (Countable/Uncountable)
- A circle or curved shape, as when you tie a lace
- A circle of rope or string to put around something
- Transitive Verb
- To put a circle of rope around something
B2TOEICMoremhz
US
UK
- Noun
- Short for 'megahertz'
C1Morenecessarily
US /ˌnɛsɪˈsɛrəli, -ˈsɛr-/
UK /ˌnesəˈserəli/
- Adverb
- In a way that is needed/required/is unavoidable
A2TOEICMoreoffset
US /ˈɔ:fset/
UK /ˈɒfset/
- Transitive Verb
- To compensate for or counterbalance the effect of
- Noun
- Compensation or counterbalance
- A printing technique in which the image is transferred to a rubber surface and then to paper.
B1TOEICMoreoscillate
US
UK
- Intransitive Verb
- To keep moving back and forth many times
B2Moreoscillation
US /ˌɑsəˈleʃən/
UK /ˌɒsɪˈleɪʃn/
- Noun
- Movement from side to side at a steady speed
B2Moreout there
US /aʊt ðɛr/
UK /aut ðɛə/
- Adverb
- In or to a place that is far away
- Existing in the universe
- Adjective
- Unconventional; strange; avant-garde
- Existing or available.
A1Moreperformance
US / pɚˈfɔrməns/
UK /pə'fɔ:məns/
- Noun
- Act of doing something
- Activity done to entertain an audience
A2TOEICMorephase
US /fez/
UK /feɪz/
- Noun
- Different stages of the moon from new to full
- Distinct part or step in a process
- Transitive Verb
- To make happen in a gradual ordered way
A2Morepretend
US /prɪˈtɛnd/
UK /prɪ'tend/
- Verb (Transitive/Intransitive)
- To act as if something is true when it is not
- Adjective
- Not real; imaginary.
A2TOEICMoreprobe
US /prob/
UK /prəʊb/
- Transitive Verb
- To carefully examine an issue by asking questions
- To examine the inside of something using a tool
- Noun (Countable/Uncountable)
- A thorough or deep examination of a problem
- Device used to send information from outer space
B1Moreprocess
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
A2TOEICMoreprocessor
US /ˈprɑ:sesə/
UK /ˈprəʊsesə(r)/
- Noun
- A machine that to makes something ready for use
- A person or thing that processes something.
B1Morequartz
US /kwɔrts/
UK /kwɔ:ts/
- Uncountable Noun
- Hard mineral, that is used as jewellery
B2Morerave
US /rev/
UK /reɪv/
- Countable Noun
- A dance party with loud music
- Verb (Transitive/Intransitive)
- To shower praise upon; speak very highly of
- To speak or shout loudly, angrily or as if crazy
B2TOEICMorereach
US /ritʃ/
UK /ri:tʃ/
- Verb (Transitive/Intransitive)
- To come to or arrive at a goal or destination
- To be long enough to get to a certain place
- Uncountable Noun
- Power or control someone has over something
A2TOEICMorerepetitive
US /rɪˈpɛtɪtɪv/
UK /rɪˈpetətɪv/
- Adjective
- Doing or saying the same things many times
B2Moreresistor
US /rɪˈzɪstɚ/
UK /rɪˈzɪstə(r)/
- Noun
- Electrical device resisting electrical current
B1Moresine
US /saɪn/
UK /saɪn/
- Noun
- Angle's ratio of side opposite hypotenuse
C1Moresquare
US /skwɛr/
UK /skweə(r)/
- Noun (Countable/Uncountable)
- Shape with 4 equal length sides and 4 equal angles
- The result of multiplying Length by the width
- Adjective
- Being fair or honest
- Multiply a number by itself e.g. 2x2 or 6x6
A2TOEICMorestuff
US /stʌf/
UK /stʌf/
- Uncountable Noun
- Generic description for things, materials, objects
- Transitive Verb
- To push material inside something, with force
B1Moreswitch
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
A2TOEICMoretone
US /toʊn/
UK /təʊn/
- Noun (Countable/Uncountable)
- Atmosphere or feeling in a message
- Firmness and strength of the body's muscles
- Transitive Verb
- To increase the quality of muscles by exercise
A2Moretrack
US /træk/
UK /træk/
- Transitive Verb
- To use marks to follow a wild animal
- To move a certain way/follow a particular course
- Noun
- A circular course for running
- Course or way someone takes, e.g. in education
A2TOEICMoretutorial
US /tu:ˈtɔ:riəl/
UK /tju:ˈtɔ:riəl/
- Noun (Countable/Uncountable)
- A lesson given to a small group
- A lesson or period of instruction given by a tutor.
- Adjective
- Relating to or used in a tutorial.
B2Moretweak
US /twik/
UK /twi:k/
- Transitive Verb
- To make a small change or adjustment
- To pinch or pull (something) sharply.
- Countable Noun
- A small change or adjustment
C1Morevolt
US /volt/
UK /vəult/
- Noun
- Unit in which electricity is measured
B1Morevoltage
US /ˈvoʊltɪdʒ/
UK /ˈvəʊltɪdʒ/
- Noun (Countable/Uncountable)
- Measured force of electricity
B1More
Vocabulary
- based on: To use something as the foundation or starting point for something else.
- have to: Must do
- for example: As an illustration or instance.
- out there: In or to a place that is far away
- look at: To use your eyes to focus on something
- stuff: Generic description for things, materials, objects
- process: To organize and use data in a computer
- pretend: To act as if something is true when it is not
- determine: To control exactly how something will be or act
- common: Area in a city or town that is open to everyone
- necessarily: In a way that is needed/required/is unavoidable
- fancy: To want to have or do something; feel like
- consumption: The act of buying and using products
- track: To use marks to follow a wild animal
- increase: To make or become larger in size or amount
- reach: To come to or arrive at a goal or destination
- generally: Usually; as a rule; by, to or for most people
- generate: To create or be produced or bring into existence
- repetitive: Doing or saying the same things many times
- create: To make, cause, or bring into existence
- performance: Act of doing something
- switch: A change or shift from one method to another
- lead: Wire for electricity, computer, etc.; cable
- rave: A dance party with loud music
- accuracy: Being exactly right; correctness
- phase: Different stages of the moon from new to full
- digital: Using electronic signals or computers
- favorite: A thing that someone likes best or enjoys most
- loop: A circle or curved shape, as when you tie a lace
- frequency: Number of repetitions of (radio or sound) wave
- square: Shape with 4 equal length sides and 4 equal angles
- tone: Atmosphere or feeling in a message
- control: A device designed to operate a machine
- tutorial: A lesson given to a small group
- build: Your physical shape; physique
- information: Collection of facts and details about something
- crystal: A solid formed by the solidification of a chemical
- tweak: To make a small change or adjustment
- probe: To carefully examine an issue by asking questions
- offset: To compensate for or counterbalance the effect of
- chip: To break a small piece off something such as a cup
- circuit: An area where cars race in a circle
- change: To exchange one set of clothes for another
- find: To become aware of something that is happening
- possibly: May be true or likely, but is uncertain
- make: To arrange or prepare something e.g. dinner
- include: To make someone, something part of a group
- fast: In a way that is difficult to move or change
- datum: Item of factual information
- processor: A machine that to makes something ready for use
- engineering: The practical application of science to industry
- oscillate: To keep moving back and forth many times
- quartz: Hard mineral, that is used as jewellery
- voltage: Measured force of electricity
- amp: Shortened form of amplifier
- oscillation: Movement from side to side at a steady speed
- resistor: Electrical device resisting electrical current
- capacitor: Device that can temporarily store electric charge
- volt: Unit in which electricity is measured
- sine: Angle's ratio of side opposite hypotenuse
- hz: Unit for measuring the frequency of sound waves
- mhz: Short for 'megahertz'
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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.
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brave
US/brev/
UK/breɪv/
adj.Brave
v.t.To bravely face
A2 Elementary
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80
What is an oscillator? Oscillator tutorial in HD!
0
恩. posted on 2026/09/05Ever wondered what makes your gadgets tick? This video breaks down the fascinating world of oscillators, explaining how they create the back-and-forth signals essential for everything from your phone to your computer. You'll even get a peek at beginner-friendly circuits like the classic 555 timer, perfect for making blinky lights and more!
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