Polymethyl
methacrylate [化]聚甲基丙烯酸甲酯
🗣️ 情景例句
I'd like to say something first.
我想先说几句话。
The fault of the ass must not be laid upon the packsaddle.
驴子不乖，休怪驮鞍。
for she had sixteen watertight compartments.
因为船由16个密封舱组成，