Pentafluorated
五氟化的
🗣️ 情景例句
It could be most anything, knowing Pete.
任何事情都可能， 你是知道Pete的。
I asked him to leave immediately, but he wouldn't.
我请他马上离开，但是他不肯。
We're not going to have any classes next week.
下周我们不上课。