Perfluorochemical
[机] 全氟化化合物
🗣️ 情景例句
Sometimes.
有时候。
Just to be on the safe side.
为安全起见。
That's OK. But you mustn't smoke while you're walking around in the bush either. You could start a bush fire.
没关系。但是在丛林里走动时你也千万不要抽烟，会引起火灾的。