Polyacetals
聚缩醛(树脂)
🗣️ 情景例句
That's it.
就这样。
All is not gold that glitters.
闪闪发光的不见得是金子。
ourselves and the barbarian, ourselves and the pagan, held sway over people's minds.
我们同异教徒之间存在的区别在人的思想中占主导地位，