Edma
[医][=ethylene glycol dimethacrylate(hydroxyethyl methacrylate)]乙二醇二甲基丙烯酸酯
🗣️ 情景例句
It is OK to ask children how old they are.
问小孩多大了是可以的。
He is pinned down by the demonstrators.
他被示威的队伍给钉住了。
No, they aren't.
不，不是。