• 基础释义
  • 例句
  • 柯林斯词典释义
例句
柯林斯高阶英汉双解学习词典释义
  • N-UNCOUNT
    Carbon is a chemical element that diamonds and coal are made up of.
  • N-COUNT
    复写纸
    A carbon is a sheet of carbon paper.
    例句
    He inserted the paper and two carbons. 他放入了那张纸和两张复写纸。