Epm
[化] 二元乙丙橡胶; 乙丙二元橡胶
🗣️ 情景例句
Nice talking to both of you.
很高兴与两位交谈。
There was a big choice of shops in the small town.
这个小镇上有好多商店可供选择。
I'll knock again, Helen.
海伦，我再敲一次。