Arsenic pentafluoide
[機(jī)] 五氟化砷
?? 詞語組成解析
arsenic
[['ɑ:s?nik]]
n. 砷, 砒霜\\n[化] 砷As
??? 情景例句
That's a nice age. What's her name?
正是美妙年齡。她什么名字？
The pine tree has a very wide distribution.
松樹的分布很廣。
The boy was too nervous to speak.
那男孩緊張得說不出話來。