alexandrite的读音 alexandrite中文意思

英音  [ælɪɡ'zɑ:ndraɪt] 
美音  [ælɪɡ'zɑ:ndraɪt] 
n. 紫翠玉;变石
alexandrite 用法和例句
It is very difficult to find natural alexandrite gemstones .
这是很难找到的天然紫翠玉宝石。
Alexandrite is looked upon as a good omen in russia .
翠绿宝石看作是在俄罗斯好兆头。
Alexandrite rings are very beautiful .
翠绿宝石戒指很漂亮。
Natural alexandrite is very rare .
天然紫翠玉是非常罕见的。
The biggest alexandrite crystal cluster was mined in russia and weighed 5724 grams .
最大的紫翠玉水晶簇是在俄罗斯开采,重5724克。