Ept
[化] 三元乙丙橡胶; 乙丙三元橡胶
🗣️ 情景例句
Really, Grandpa?
真的， 爷爷？
Do you often play bridge on Saturday?
你常常在星期六玩桥牌吗？
How about taking the damaged portion at a lower price?
损坏的那一部分就算便宜一点，如何？