Tfe
[医][=trifluoroethanol]三氟代乙醇
🗣️ 情景例句
Well, first, you have to turn your hat around like this.
首先 ，你得把你的帽子转一下 ，像这样。
The weakest goes to the wall.
适者生存。
Is it urgent?
急吗？