Acetaldol
(=aldol)丁间醇醛, 3-羟基丁醛
🗣️ 情景例句
He said I should call him.
他说我可以打电话给他。
No. I've been in California for the past month.
没有，我刚到加利福尼亚去了一个月。
Come in and sit down. Wei Hua!
进来坐坐，魏华！