名词

1. 碳
[…]nbsp;[…]nbsp;[…]nbsp;[…]nbsp;Carbon is a chemical element that diamonds and coal are made up of.

2. 复写纸
[…]nbsp;[…]nbsp;[…]nbsp;[…]nbsp;A carbon is a sheet of carbon paper.

1. a copy made with carbon paper

[…]nbsp;[…]nbsp;[…]nbsp;[…]nbsp;Synonym: carbon copy

2. an abundant nonmetallic tetravalent element occurring in three allotropic forms: amorphous carbon and graphite and diamond
[…]nbsp;[…]nbsp;[…]nbsp;[…]nbsp;occurs in all organic compounds

[…]nbsp;[…]nbsp;[…]nbsp;[…]nbsp;Synonym: Catomic number 6

3. a thin paper coated on one side with a dark waxy substance (often containing carbon)
[…]nbsp;[…]nbsp;[…]nbsp;[…]nbsp;used to transfer characters from the original to an under sheet of paper

[…]nbsp;[…]nbsp;[…]nbsp;[…]nbsp;Synonym: carbon paper