Perfluoroamine
全氟胺
🗣️ 情景例句
I talked to Mr. Marchetta.
我跟Marchetta先生谈了。
What did you do the week before last?
上上星期你干了什么？
And she encouraged me when I made up my mind to go to college.
我下决心上大学时，她则给我予鼓励。