Methacrylates
(methacrylate 的复数) n. 甲基丙烯酸酯；异丁烯酸甲酯
🗣️ 情景例句
Chocolate.
巧克力的。
There isn't much room for doubt in this matter.
关于这件事，不大有质疑余地。
Since its discovery, it has become a sort of potholers' Everest.
自从被发现以后，这个洞成了洞穴探险者的珠穆朗玛峰，