Ept
[化] 三元乙丙橡胶; 乙丙三元橡胶
🗣️ 情景例句
speak to a real-estate agent about a house.
和房地产仲介商谈一谈关于房子的事。
Don't forget to buy it for him.
不要忘记买给他。
Have they ever been there before?
他们以前去过那儿吗？