Polymethyl
methacrylate [化]聚甲基丙烯酸甲酯
🗣️ 情景例句
A couple of weeks.
两、三个星期吧。
How long will it take you to make it?
你要多久才能做好它？
No one knows the location of the hidden treasure.
谁也不知道藏宝地点在哪里。