Poly(ethylene oxide)
[化] 聚环氧乙烷
🗣️ 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。
Why didn't you write me?
为什么你不给我写信？
What kind of school will it be?
要办什么样的学校？