Fluohydrocarbon
氟代烃
🗣️ 情景例句
I'm sorry you can't come with us, Susan.
很遗憾你不能同我们一起去， Susan。
How do I get to your place?
我怎么到你那里？
(Bruce rings up his father on the telephone.)
（布鲁斯给他父亲打电话。）