Epdm
[化] 三元乙丙橡胶; 乙丙三元橡胶
🗣️ 情景例句
May I speak to Miss Chen?
可以跟陈小姐讲话吗？
I had lunch with a friend of mine.
我和我的一个朋友一块吃了午饭。
It was simply a blank sheet of paper.
而是一张白纸。