Polyfluocarbon
[化] 多氟烃
🗣️ 情景例句
Oh, not at all. We're still eating.
噢， 没关系 。我们还在吃着呢。
A moneyless man goes fast through the market.
一个没钱的人很快穿过市场。
In a word，I am tired of everything.
总之，我对一切都很厌倦。