Epm
[化] 二元乙丙橡胶; 乙丙二元橡胶
🗣️ 情景例句
What does NATO stand for?
NATO代表什么？
Every man has the defects of his qualities.
一个人的好品质上也有不足之处。
He never has anything to do.
他从来都是无事可做，