Ept
[化] 三元乙丙橡胶; 乙丙三元橡胶
🗣️ 情景例句
She has a special way with kids.
她对孩子很有一套。
This round table weighs about forty-five pounds.
这张圆桌子重大约45磅。
It's against the law!
那是违法的！