| 单词 | carat |
| 释义 | carat 1 A measure of fineness (purity) of gold. Pure gold is described as 24-carat gold. 14-carat gold contains 14 parts in 24 of gold, the remainder usually being copper. 2 A unit of mass equal to 0.200 gram, used to measure the masses of diamonds and other gemstones. |
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