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carbon
B1
noun
Sử dụng:
85%
element
Tương ứng: element
Phát âm: /ˈkɑːrbən/
Ý nghĩa: A chemical element found in all living things, used to make coal, diamonds, and graphite.

Carbon is a basic chemical element. It forms many things like coal and diamonds. It is important for life on Earth.

Carbon is in coal and diamonds.

All plants have carbon inside them.

2
A2
noun
Sử dụng:
45%
carbon paper
Tương ứng: carbon paper
Phát âm: /ˈkɑːrbən/
Ý nghĩa: A black substance made from burning things, used for writing or drawing (like carbon paper).

Carbon is a black material found in things left after burning. People use it to copy papers or to draw pictures.

I use carbon paper to copy my letter.

The artist draws with carbon on paper.

3
B1
noun
Sử dụng:
50%
carbon copy
Tương ứng: carbon copy
Phát âm: /ˈkɑːrbən/
Ý nghĩa: A copy of a document made using carbon paper placed between sheets of paper.

A carbon is a copy made when you put special paper between two sheets. This helps to make exact copies.

I kept a carbon of the contract.

She gave me a carbon of the report.

4
B1
noun
Sử dụng:
40%
copy paper
Tương ứng: copy paper
Phát âm: /ˈkɑːrbən ˌpeɪpər/
Ý nghĩa: A type of paper coated with black ink that copies writing or drawing when pressed.

Carbon paper is special paper with black ink. When you write on the top sheet, the carbon paper makes a copy underneath.

Please pass me the carbon paper.

Carbon paper helps make copies fast.

5
B2
noun
Sử dụng:
75%
carbon emissions
Tương ứng: carbon emissions
Phát âm: /ˈkɑːrbən/
Ý nghĩa: A form of carbon used in the fuel industry referring to carbon emissions from burning fuels.

Carbon means gases produced when people burn fuel. These gases are not good for the air or planet.

Factories produce a lot of carbon.

Cars release carbon into the air.

6
B2
noun
Sử dụng:
65%
life element
Tương ứng: life element
Phát âm: /ˈkɑːrbən/
Ý nghĩa: In biology, the element carbon is the basis of all known life forms and organic compounds.

Carbon is important in biology because it forms the main parts of living things like plants and animals.

Carbon forms the base of all food.

All living cells contain carbon.

7
A2
noun
Sử dụng:
40%
carbon mark
Tương ứng: carbon mark
Phát âm: /ˈkɑːrbən/
Ý nghĩa: A mark or copy made by pressing a carbon paper sheet to transfer writing or drawing.

A carbon is a dark print or mark you see on paper after using carbon paper. It copies writing or pictures.

The carbon left a dark mark on the paper.

He made a carbon on the form.

carbon
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