Polymethyl
methacrylate [化]聚甲基丙烯酸甲酯
🗣️ 情景例句
I went back for it, but the ferry was gone.
等我回去找的时候 船已经开走了。
I have no secret of success but hard work.
成功无秘诀，只是努力干。
Actually, it is more than we need.
事实上，已超出我们所需要的。