Pentafluorination
五氟化反应
🗣️ 情景例句
I'm dead tired by quitting time.
下班时，我都累死了。
The embarrassing situation caused me to lose face.
令人尴尬的场合让我丢了面子。
On the following day, Patrick went to the house again.
第二天，帕特里克再次来到首相的住处。