carat /ˈkærət/ TEM8

• 1. 

  N-COUNT Carat is used after a number to indicate how pure gold is. The purest gold is 24-carat gold. 开; 黄金纯度

  例：

  ...a twenty-four-carat gold necklace.

  ...一条二十四开金的项链。

• 2. 

  N-COUNT A carat is a unit for measuring the weight of diamonds and other precious stones. It is equal to 0.2 grams. 克拉 (钻石等宝石的计重单位，相当于0.2克)

  例：

  The gemstone is 28.6 millimetres high and weighs 139.43 carats.

  这颗宝石高28.6毫米，重达139.43克拉。