Pmma
[化] 聚甲基丙烯酸甲酯
🗣️ 情景例句
Where di you go to high school?
你在哪儿上高中？
I'd like to take off for home tomorrow.
我想下星期五请假。
He investigates complaints large and small that come to him from all levels of society.
他听取社会各阶层的各种大小意见，并进行调查。