Polychlorocarbon
[化] 多氯烃; 多氯代烃
🗣️ 情景例句
I guess I didn't have one, fortunately.
但我想我并没有，因为我的幸运的。
Any tickets left?
有剩票吗？
What are you doing to do now,George?
你现在打算干什么，乔治？