Subtitles & vocabulary
Calcium Carbonate - Disintegrating Quicklime
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Bing-Je posted on 2013/12/10Ever 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.
Video vocabulary
carbon dioxide
US /ˈkɑrbən daɪˈɑksaɪd/
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UK /ˈkɑ:bən daɪˈɔksaɪd/
- Uncountable Noun
- A chemical make of carbon and 2 oxygen molecules
B2
More calcium carbonate
US /ˈkælsiəm ˈkɑrbəˌnet/
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UK /ˈkælsiəm ˈkɑ:bəneit/
- Uncountable Noun
- A white, insoluble solid occurring naturally as chalk, limestone, marble, and calcite, and used as an antacid and in building materials, শিল্প, and agriculture.
made of
US /med ʌv/
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UK /meɪd ɔv/
- Preposition
- Composed or constructed from a specified material.
- Composed of certain qualities or characteristics.
- Phrasal Verb
- To understand or have an opinion about something
- To create or produce something from a particular material
A1
More pretty much
US /ˈprɪti mʌtʃ/
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UK /ˈpriti mʌtʃ/
- Phrase
- Almost completely; nearly.
- Essentially; in effect.
A1
More Use Energy
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