Levulinate
乙酰丙酸
🗣️ 情景例句
And your friends are planning to go to Columbia?
而且你的朋友们也准备上Columbia大学 ，对吗？
I like dressing up in old-fashioned clothes.
我喜欢穿着老式的服装。
Late that morning, when I was doing the housework, My husband phoned me from the office.
那天下午的晚些时候，当我正做家务时，我丈夫从办公室打来电话。