Acetylacetone
乙酰丙酮, 戊间二酮
🗣️ 情景例句
Like I said, he'll be with you shortly.
正像我所说 ，他不久就可以与你会面。
The used key is always bright.
常用的钥匙总是光亮的。
Lucy, are you hungry?
露茜，你饿了吗？