Polydivinylbenzene
聚二乙烯基苯
🗣️ 情景例句
I've turned over the management of my affairs to my brother.
我已经把我的事务托付给我的兄弟去处理。
There are no birds of this year in last year's nests.
事过境迁。
I'm glad to hear that.
真是好消息，