carat
carat
英[ˈkærət]美[ˈkærət]
n.（宝石的重量单位）克拉，（金子）开（以纯金为24开表示金含量的单位），=karat；
复数：carats;
例句
She has a four-carat stone in her ring.她的戒指镶有一颗四克拉的宝石。
Can you believe that he bought her a 5.3 - carat diamond ring?你知道吗,他买了一颗5.3克拉的钻石戒指给她?
She has a four - carat stone in her ring.她的戒指镶有一颗四克拉的宝石.
an 18-carat gold ring18开的金戒指
...a range of jewellery, plated with 22-carat nickel-free gold.一系列镀了一层22开无镍黄金的首饰
...a 14-carat gold fountain pen.14开金钢笔
...a huge eight-carat diamond.重达8克拉的大钻石
柯林斯高阶英汉双解学习词典释义
N-COUNT
克拉(钻石等宝石的重量单位,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.
例句
The gemstone is 28.6 millimetres high and weighs 139.43 carats.这块宝石高28.6毫米,重139.43克拉。...a huge eight-carat diamond.重达8克拉的大钻石COMB in ADJ
开(表示黄金的纯度,纯金为24开)
Carat is used after a number to indicate how pure gold is. The purest gold is 24-carat gold.
例句
...a 14-carat gold fountain pen.14开金钢笔英汉词典释义
n.
(宝石的重量单位)克拉
This diamond weighs 60 carats.这颗钻石净重60克拉。She has a four-carat stone in her ring.她的戒指镶有一颗四克拉的宝石。英英词典释义
Noun
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% gold; 24-karat gold is pure gold
行业词典
冶金学： 开金；
医学： 开：金纯度的单位，纯金是24开；克拉：宝石的重量单位，1克拉等于2０5.5毫克或等于金衡制3 1／6喱；
