第三人稱(chēng)復數：carats
carat基本解釋
名詞（寶石的重量單位）克拉; ，（金子）開(kāi)（以純金為24開(kāi)表示金含量的單位）; =karat
carat詞典解釋
1. 克拉(鉆石等寶石的重量單位,合0.2克)
A carat is a unit for measuring the weight of diamonds and other precious stones. It is equal to 0.2 grams.
e.g. The gemstone is 28.6 millimetres high and weighs 139.43 carats.
這塊寶石高28.6毫米,重139.43克拉。
e.g. ...a huge eight-carat diamond.
重達8克拉的大鉆石
2. 開(kāi)(表示黃金的純度,純金為24開(kāi))
Carat is used after a number to indicate how pure gold is. The purest gold is 24-carat gold.
e.g. ...a 14-carat gold fountain pen.
14開(kāi)金鋼筆
carat英英釋義
noun
1. the unit of measurement for the proportion of gold in an alloy
18-karat gold is 75% gold
24-karat gold is pure gold
Synonym: karatkt
2. a unit of weight for precious stones = 200 mg