Oxyacetone
羟丙酮
🗣️ 情景例句
Well, then, perhaps we can get together another time.
也许我们可以另找时间聚一聚。
I'm afraid it won't be cold enough for a snowfall.
我恐怕天不会冷的下雪。
Some of the apples are hard to reach.
有些苹果很难够得着。