Perfluamine
全氟三丙烷
🗣️ 情景例句
He was very hard driven.
他被迫拼命干活。
Did everyone you invited show up?
你邀请的人都来了吗？
He insisted on the assistant's counting the money before he left -- 30,000 pennies in all!
这些硬币加在一起共有30，000枚！