Acetylacetonate
乙酰丙酮化物
🗣️ 情景例句
That's impossible.
不可能。
He has been working in advertising for ten years, but now he is teaching.
他曾经在广告公司服务十年，但现在在当老师。
We swam and dived off the rocks into the sea.
我们从岩石上跳进海里游泳。