carbon copy
noun /ˌkɑːbən ˈkɒpi/
/ˌkɑːrbən ˈkɑːpi/
(also carbon)
- a copy of a document, letter, etc. made with carbon paper
（文件、信等的）复写本 - a person or thing that is very similar to somebody/something else
极相像的人；极类似的事物 - She is a carbon copy of her sister.
她跟她姐姐长得一模一样。 - The twins were carbon copies of each other.
这对双胞胎简直是一个模子刻出来的。
- She is a carbon copy of her sister.