Pmma
[化] 聚甲基丙烯酸甲酯
🗣️ 情景例句
No, I'm not kidding.
不， 我不是说笑。
If you have no hand, you cannot make a fist.
巧妇难为无米之炊。
We enjoy staring at them, entranced as they go about their business, unaware (we hope) of our presence.
我们喜欢入迷地看它们做事，它们不知道（但愿如此）我们就在它们身边。