Hydroxyacetone
羟丙酮, 丙酮醇
🗣️ 情景例句
and 83 is to the right, about two houses. 83
号是在右边 大约过两栋房子就到了。
What is the type of furture?
这是什么类型的家具？
On the first lap, Class 3 were in front.
在跑第一圈时，3班在前边。