carat (measure of the purity of gold)

 
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carat (measure of the purity of gold)的英文翻譯是什么意思,詞典釋義與在線(xiàn)翻譯:

英英釋義

名詞 carat:
  1. a unit of weight for precious stones = 200 mg

  2. the unit of measurement for the proportion of gold in an alloy; 18-karat gold is 75%25 gold; 24-karat gold is pure gold

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