Acetylacetone
乙酰丙酮, 戊间二酮
🗣️ 情景例句
They know that I'm married and that I have a family.
他们知道我结婚了， 有一个家。
There is something in what she said.
她说的话里有些重要的东西。
One, for instance, consisted of rods of various lengths and thicknesses which would stand up on end like ninepins.
例如，有一种装置是由一些长短、粗细不同的木棒组成；就像九柱戏的木棒一样竖立着，