Penthrane
甲氧氟烷
??? 情景例句
This is Gao Qiang in Room 409.
我是409房間的高強(qiáng)。
I am sorry Mr. Chen is unavailable, would you like to speak to anyone else?
抱歉陳先生不在，你要不要跟其他人講話？
The two brothers look very much alike.
這兄弟倆看上去很相像。