Acetylacetone
乙酰丙酮, 戊间二酮
🗣️ 情景例句
And here he is--Popo the Clown.
这位就是小丑Popo。
A barking dog is better than a sleeping lion.
吠犬胜于睡狮。
My boss answered the telephone.
办公室，是我的老板接的。