Polyolefin acid
[化] 聚烯酸
🧩 词语组成解析
n. [化]聚烯烃
🗣️ 情景例句
I do care.
我真的关心。
Mary, this is Joe's brother David.
玛丽，这是乔的兄弟戴维。
3 What have you been interested in for as long as you can remember?
3。你所能想起来的自己感兴趣的事是什么？