Pmma
[化] 聚甲基丙烯酸甲酯
🗣️ 情景例句
I call it Family Album, U.S.A.
我称之为美国写真。
I must play my spare time well, or I end up doing nothing.
我必须善于利用空闲的时间，否则生命将会在无所事事中告终。
I rang the bell and was not surprised to see that Hugh was still as fat as ever.
我按响了门铃，当看到休仍和往常一样胖时，我并不感到惊奇。