Polynorbornene
[化] 聚降冰片烯
🗣️ 情景例句
I used to stop for hitch-hikers'till the day I picked up that maniac.
自从有一天搭了一个精神病人以后，我碰到搭顺风车的人就不再停下来了。
I was born and raised here.
我生于斯，长于斯。
Choose any subject. Something about England, for example.
你可以选任何题日。例如，你可以谈谈英国的情况。