Pentafluorization
五氟化反应
🗣️ 情景例句
And thanks for the directions.
谢谢你给我指了路。
I'm going to wear my blue suit.Is that all right?
我想穿我蓝色的西装，那合适吗？
I grew a beard during the trip.but I shaved it off when I came home.
我在旅行时留了胡子，但我回到家时就把它刮了。