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TOEFL IELTS BNC: 3062 COCA: 3004
carbon
kɑːʳbən ˈkɑrbən
Word forms: plural carbons
1 N-UNCOUNT Carbon is a chemical element that diamonds and coal are made up of.
2 N-COUNT 复写纸 A carbon is a sheet of carbon paper. 复写纸
  • He inserted the paper and two carbons.

    他放入了那张纸和两张复写纸。

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