Fluoroalkane
[机] 氟烷
🗣️ 情景例句
Is smoking allowed on the train?
火车上允许吸烟吗？
'Tis altogether vain to learn wisdom and yet live foolishly.
枉自学聪明，却做愚蠢事。
If you park your car in the wrong place, a traffic policeman will soon find it.
一旦你把汽车停错了地方，交通警很快就会发现。