English Dictionary

carbon copy

noun

A copy produced in an alternated stack of ordinary sheets of paper and carbon papers. The pressure applied on the top sheet (by a pen or typewriter) causes every carbon paper to release its carbon cover, thus reproducing the writing on the subjacent layers of paper.

I made a carbon copy of the document.

意味（1）

A copy produced in an alternated stack of ordinary sheets of paper and carbon papers. The pressure applied on the top sheet (by a pen or typewriter) causes every carbon paper to release its carbon cover, thus reproducing the writing on the subjacent layers of paper.

In preparing the contract, we'll make a carbon copy for our records.

意味（2）

(by extension) Any duplicate.

This new home is simply a carbon copy of the one down the street.