Fluorination
n. 氟化作用
🗣️ 情景例句
That is some history!
这阅历了不得，
We have agreed on all terms in the contract. Shall we sign it next week?
我们对合同各项条款全无异议，下周签合同如何？
While on a walking tour with his wife,
一次，他与妻子徒步旅行。