Polyallylmethacrylate
[化] 聚甲基丙烯酸烯丙酯
??? 情景例句
You're kidding.
在說笑吧。
He who has health, has hope, and he who has hope, everything.
身體好就有希望，有希望就有一切。
A man was lying in the box on top of a pile of woolen goods.
箱內(nèi)有一個人正躺在一堆毛織品之上。