Polyacetal
[化] 聚缩醛
🗣️ 情景例句
Well, anyway, if you have time next week, we can go then instead.
不管怎样，如果下周你有时间，我们也可以下周才去。
Yes, a little.
会讲一点。
gravity is the force that drives them in a continual attempt to restore the ocean surface to a flat plain.
地球引力是持续不断企图使海面复原为平面的力量。