Pmma
[化] 聚甲基丙烯酸甲酯
🗣️ 情景例句
What are your weak points?
你的缺点是什么？
Good deeds will shine as the stars of heaven.
善行如日月经天。
It doesn't matter! Jim, do you remember we went to work on a farm last October?
没关系！吉姆，你还记得我们去年10月份去一个农场劳动的事吗？