Pmma
[化] 聚甲基丙烯酸甲酯
🗣️ 情景例句
Well,
噢，
Justice has long arms.
天网恢恢，疏而不漏。
As the Commanding Officer explained later, one half of the station did not know what the other half was doing!
正如指挥官后来解释的那样，基地的这半边不知道那半边正在干什么！