Olefinicpolymerization
[化] 烯烃聚合
🗣️ 情景例句
Out with it!
说出来吧！
Why didn't you like cleaning house so much?
为什么你那么不喜欢清理房子？
You must keep it a secret. You mustn't tell anybody else.
你必须保密，谁都不能讲。