Vocabulary

  • over time: Gradually; as time passes.
  • come from: To have as your native country or city
  • drive out: To force someone or something to leave a place or situation.
  • water: Clear liquid that forms the seas, rivers and rain
  • change: To exchange one set of clothes for another
  • drive: A person's ambition and motivation to do something
  • lot: What happens to a person in life from chance; fate
  • fly: Common flying insect, sometimes blue in color
  • key: Answers to exercises, as at the back of a book
  • hot: Angry or excited
  • bottom: The part of your body you sit on
  • book: (Police) to officially record someone's crimes
  • live: To be alive
  • hand: Cards given to a player in a card game
  • place: To put someone in a particular type of situation
  • find: To become aware of something that is happening
  • today: This day; day that is happening now
  • time: Speed at which music is played; tempo
  • rock: To be greatly upset by something, e.g. a death
  • form: Sports team or person's current winning record
  • pop: To cause something to open or burst suddenly
  • collect: By asking the receiver of a call to pay for it
  • pretty: Being attractive to the eye in a simple way
  • gas: Elements in our air, like oxygen or nitrogen
  • heat: State of anger, excitement, or arguing
  • turn: To become (a particular age)
  • type: Printed letters or blocks used for printing them
  • cool: Steady and calm when facing difficulties
  • stand: To be a candidate in an election
  • lose: To be unable to keep in check or control something
  • call: A order or request for action
  • heating: To make hot or hotter
  • pour: To fill a person's glass or cup with a drink
  • oven: Kitchen appliance you put food in to bake, roast
  • overnight: (Becoming famous, etc.) in a short amount of time
  • block: Solid piece of material used for building
  • ocean: Large body of salt water; a large sea
  • background: Images, color, or information behind the main one
  • industry: Hard work; being busy working
  • weight: How heavy something is
  • allow: To admit the validity or truth of something
  • completely: In every way or as much as possible
  • dioxide: An oxide containing two oxides per molecule
  • carbon: Chemical element with an atomic number of 6
  • chemical: Basic substance produced by mixing elements
  • steam: Mist collecting on a surface when wet air cools
  • instantly: In a manner without delay; immediately
  • structure: The way in which the parts of a system or object are arranged or organized, or a system arranged in this way
  • react: To change when mixing with other chemicals
  • process: To organize and use data in a computer
  • combine: To mix several things together to form one thing
  • generating: To create or be produced or bring into existence
  • converted: To switch from a religion, belief etc. to another
  • acid: Sour substance that reacts with metals e.g. lemon
  • substance: Essence of; most basic or central qualities
  • shell: Hard outer cover of an egg, fruit, nut, or seed
  • construction: Act of building something; thing that is built
  • component: One of the parts that something is made up of
  • crumble: To break into small parts or crumbs
  • calcium: A substance important for making bones and teeth
  • oxide: Compound from combining oxygen with a chemical
  • carbonate: To charge a drink with carbon dioxide
  • limestone: Sedimentary rock consisting mainly of calcium
  • hydrochloric: (Chemistry) chem of or relating to hydrochloric acid
  • hydroxide: Chemical compound containing the hydroxyl group
  • chap: To cause the skin, lips to roughen or crack
  • quarry: Large pit in the earth where stone is mined
  • lime: White containing calcium used in farming
  • cement: Building material made from gray powder, water
  • furnace: Container with hot fire for melting metal, etc.
  • compress: To press tightly together
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    • acid

      US /ˈæsɪd/

      UK /ˈæsɪd/

      • Noun (Countable/Uncountable)
      • Sour substance that reacts with metals e.g. lemon
      A2
      More
    • background

      US /ˈbækˌɡraʊnd/

      UK /ˈbækgraʊnd/

      • Noun (Countable/Uncountable)
      • Images, color, or information behind the main one
      • Someone's personal work and educational history
      • Adjective
      • Done or existing in a less noticeable or important way
      • Hidden or not easily seen
      A2TOEIC
      More
    • block

      US /blɑk/

      UK /blɒk/

      • Noun (Countable/Uncountable)
      • Solid piece of material used for building
      • A piece of wood, chocolate etc.
      • Transitive Verb
      • To stop from going forward or making progress
      • To obstruct or prevent the movement or passage of.
      A2
      More
    • bottom

      US /ˈbɑtəm/

      UK /'bɒtəm/

      • Noun
      • The part of your body you sit on
      • Lowest position, often in a company or contest
      • Verb (Transitive/Intransitive)
      • To hit the lowest part of something
      • To provide with a bottom.
      A2TOEIC
      More
    • calcium

      US /ˈkælsiəm/

      UK /'kælsɪəm/

      • Uncountable Noun
      • A substance important for making bones and teeth
      • A substance containing calcium, taken to improve health.
      C2
      More
    • carbon

      US /ˈkɑrbən/

      UK /'kɑ:bən/

      • Uncountable Noun
      • Chemical element with an atomic number of 6
      B1
      More
    • carbonate

      US /ˈkɑ:rbənət/

      UK /ˈkɑ:bəneɪt/

      • Transitive Verb
      • To charge a drink with carbon dioxide
      • Noun
      • A chemical including carbon dioxide
      C2
      More
    • cement

      US /sɪˈmɛnt/

      UK /sɪ'ment/

      • Uncountable Noun
      • Building material made from gray powder, water
      • Transitive Verb
      • To bind or hold together strongly
      • To make something more stable or stronger
      B1
      More
    • chap

      US /tʃæp/

      UK /tʃæp/

      • Verb (Transitive/Intransitive)
      • To cause the skin, lips to roughen or crack
      • Countable Noun
      • A man; guy
      C2
      More
    • chemical

      US /ˈkɛmɪkəl/

      UK /ˈkemɪkl/

      • Noun (Countable/Uncountable)
      • Basic substance produced by mixing elements
      • The branch of science concerned with the substances of which matter is composed, the investigation of their properties and reactions, and the use of such reactions to form new substances.
      • Adjective
      • Made of various elements
      A2
      More
    • collect

      US /kəˈlɛkt/

      UK /kəˈlekt/

      • Adverb
      • By asking the receiver of a call to pay for it
      • Transitive Verb
      • To ask for money, e.g. for a charity
      • To gather things, people together in one place
      A2
      More
    • combine

      US /kəmˈbaɪn/

      UK /kəmˈbaɪn/

      • Verb (Transitive/Intransitive)
      • To mix several things together to form one thing
      • To harvest by means of a combine.
      • Noun (Countable/Uncountable)
      • A harvesting machine for cutting, threshing, and cleaning grain.
      • A mixture of different things.
      A2
      More
    • come from

      US /kʌm frʌm/

      UK /kʌm frɔm/

      • Phrasal Verb
      • To have as your native country or city
      A1
      More
    • component

      US /kəmˈponənt/

      UK /kəmˈpəʊnənt/

      • Noun (Countable/Uncountable)
      • One of the parts that something is made up of
      • A constituent part; ingredient.
      • Adjective
      • Being a part of something
      A2
      More
    • compress

      US /kəmˈprɛs/

      UK /kəmˈpres/

      • Transitive Verb
      • To press tightly together
      • To make smaller; reduce in time, size etc.
      B1
      More
    • construction

      US /kənˈstrʌkʃən/

      UK /kən'strʌkʃn/

      • Noun (Countable/Uncountable)
      • Act of building something; thing that is built
      • Something that is made using different parts
      A2
      More
    • converted

      US /kən'vɜ:tɪd/

      UK /kən'vɜ:tɪd/

      • Verb (Transitive/Intransitive)
      • To switch from a religion, belief etc. to another
      • To change form, character, or function to another
      A2
      More
    • crumble

      US /ˈkrʌmbəl/

      UK /ˈkrʌmbl/

      • Intransitive Verb
      • To break into small parts or crumbs
      B2
      More
    • dioxide

      US /daɪˈɑksaɪd/

      UK /daɪˈɒksaɪd/

      • Noun
      • An oxide containing two oxides per molecule
      B2
      More
    • drive out

      US /draɪv aʊt/

      UK /draiv aut/

      • Phrasal Verb
      • To force someone or something to leave a place or situation.
      • To travel to a place by car.
      A1
      More
    • furnace

      US /ˈfɜ:rnɪs/

      UK /ˈfɜ:nɪs/

      • Noun (Countable/Uncountable)
      • Container with hot fire for melting metal, etc.
      • An enclosed structure used for heating materials to very high temperatures.
      B2
      More
    • gas

      US /ɡæs/

      UK /ɡæs/

      • Uncountable Noun
      • Elements in our air, like oxygen or nitrogen
      • Fuel used for cooking, heating houses etc.
      • Transitive Verb
      • To kill or disable someone with poisoned air
      A2
      More
    • generating

      US /'dʒenəreɪtɪŋ/

      UK /'dʒenəreɪtɪŋ/

      • Verb (Transitive/Intransitive)
      • To create or be produced or bring into existence
      • To create electricity, heat, energy and power
      A2
      More
    • heat

      US /hit/

      UK /hi:t/

      • Uncountable Noun
      • State of anger, excitement, or arguing
      • Particular temperature at which to cook something
      • Transitive Verb
      • To make hot or hotter
      A2
      More
    • heating

      US

      UK

      • Verb (Transitive/Intransitive)
      • To make hot or hotter
      • Uncountable Noun
      • System that provides warmth to a house or building
      A2
      More
    • instantly

      US /ˈɪnstəntli/

      UK /ˈɪnstəntli/

      • Adverb
      • In a manner without delay; immediately
      A2
      More
    • lime

      US /laɪm/

      UK /laɪm/

      • Noun (Countable/Uncountable)
      • White containing calcium used in farming
      • Small, round and sour fruit with hard green skin
      • Adjective
      • Bright green color
      B2
      More
    • limestone

      US /ˈlaɪmstoʊn/

      UK /ˈlaɪmstəʊn/

      • Uncountable Noun
      • Sedimentary rock consisting mainly of calcium
      B2
      More
    • ocean

      US /ˈoʃən/

      UK /'əʊʃn/

      • Uncountable Noun
      • Large body of salt water; a large sea
      A2
      More
    • oven

      US /ˈʌvən/

      UK /ˈʌvn/

      • Noun
      • Kitchen appliance you put food in to bake, roast
      B1
      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
    • overnight

      US /ˈovɚˌnaɪt/

      UK /ˌəʊvə'naɪt/

      • Adverb
      • (Becoming famous, etc.) in a short amount of time
      • For or during the night
      • Adjective
      • Lasting or taking place during the night
      • Delivered or intended to be delivered on the next day
      B1
      More
    • oxide

      US /ˈɑ:ksaɪd/

      UK /ˈɒksaɪd/

      • Noun
      • Compound from combining oxygen with a chemical
      B2
      More
    • pop

      US /pɑp/

      UK /pɒp/

      • Verb (Transitive/Intransitive)
      • To cause something to open or burst suddenly
      • To go to or in a place for a brief period of time
      • Noun (Countable/Uncountable)
      • Sweet soda drink
      • A short, sharp, explosive sound.
      B2
      More
    • pour

      US /pɔr, por/

      UK /pɔ:(r)/

      • Verb (Transitive/Intransitive)
      • To fill a person's glass or cup with a drink
      • To make something flow in a steady stream
      A2
      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
    • quarry

      US /ˈkwɔ:ri/

      UK /ˈkwɒri/

      • Noun
      • Large pit in the earth where stone is mined
      • Animal that is hunted
      • Transitive Verb
      • To dig for minerals in an open mine
      B2
      More
    • react

      US /riˈækt/

      UK /rɪ'ækt/

      • Intransitive Verb
      • To change when mixing with other chemicals
      • To behave or make a change in a particular way
      A2
      More
    • shell

      US /ʃɛl/

      UK /ʃel/

      • Noun (Countable/Uncountable)
      • Hard outer cover of an egg, fruit, nut, or seed
      • Hard metal container containing a bullet
      • Transitive Verb
      • To remove the outer covering of peas, nuts etc.
      • To fire shells (weapons) at
      B1
      More
    • steam

      US /stim/

      UK /sti:m/

      • Uncountable Noun
      • Mist collecting on a surface when wet air cools
      • Source of stamina, strength or energy
      • Verb (Transitive/Intransitive)
      • To cover a surface with steam, so as to clean it
      • To cook in mist of tiny drops from boiling water
      A2
      More
    • structure

      US /ˈstrʌk.tʃɚ/

      UK /ˈstrʌk.tʃə/

      • Noun (Countable/Uncountable)
      • The way in which the parts of a system or object are arranged or organized, or a system arranged in this way
      • A building or other man-made object.
      • Transitive Verb
      • To plan, organize, or arrange the parts of something
      A2TOEIC
      More
    • substance

      US /ˈsʌbstəns/

      UK /'sʌbstəns/

      • Uncountable Noun
      • Essence of; most basic or central qualities
      • Particular type of material
      A2
      More
    • weight

      US /wet/

      UK /weɪt/

      • Uncountable Noun
      • How heavy something is
      • Metal object to measure how heavy something is
      A2TOEIC
      More
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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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    B2
    #calcium#oxide#carbonate#calcium carbonate#carbon dioxide#dioxide

    Calcium Carbonate - Disintegrating Quicklime

    0
    Bing-Je posted on 2013/12/10
    Ever wondered how ancient Romans built structures that still stand today? This video dives into the fascinating world of limestone, quicklime, and the 'acid test' used to identify them, packed with vocabulary that masons and history buffs will love! You'll pick up advanced terms and gain a deeper understanding of historical building materials.

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