Perfluoro-
[化] 全氟; 全氟代
🗣️ 情景例句
John Marchetta.
我是 ，John Marchetta。
How many of these are you going to send him?
你要送多少给他？
It's possible. Two months is quite a long time.
这是很有可能的。两个月是相当长的一段时间。