carat
大学
FREQ #34063
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n. 克拉 [化] 开; 克拉(宝石、金刚石重量单位,等于0.2克)
发音
UK
/ˈkæ.ɹət/
US
/ˈkɛɹ.ət/
US
词形变化
carats
复数
carats
别名
carrat
karat
教材释义与例句
名词
克拉（等于karat）
释义与例句
n.
-
1.
A metric unit of mass equal to exactly 200 mg, chiefly used for measuring precious stones and pearls.
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2.
Any of several small units of mass used for measuring precious stones and pearls, equivalent to 189–212 mg.
克拉
历史 -
3.
A 24-point scale used to measure the purity of gold.
克拉
18-carat gold is 75% gold by mass. 24-carat gold is pure.
词汇关系
相关短语
词源
From Middle French carat, from Italian carato, from Arabic قِيرَاط (qīrāṭ, “carat, similarly small units such as inches”), from Ancient Greek κεράτιον (kerátion, “hornlet, carob seed”), from κέρας (kéras, “horn”) + -ιον (-ion, diminutive suffix). Doublet of quilate and keratin.
来源：wiktionary