Chelen
[醫] 氯乙烷
??? 情景例句
I estimate his age to be about 30.
我估計他的年齡大約30歲。
I'm dying for a drink.
我很想喝一杯。
This platform would serve as a port and a railway station.
如果再建些伸出海面的高大的煙囪狀通風管，