Polymethyl
methacrylate [化]聚甲基丙烯酸甲酯
🗣️ 情景例句
But it's not going to be easy.
不过这事可不容易。
I'm going to call a plumber to come this afternoon.
我将叫一个管道工今天下午来。
Which seasons do you like best?
你最喜欢哪些季节？