Levulinate
乙酰丙酸
🗣️ 情景例句
She made a good match when she married him.
她嫁给了他，成就了美好姻缘。
Do you like plays?
你喜欢看戏？
In the beginning they used to carve Chinese characters on stones to record important dates in history.
开始时，他们常把汉字刻在石头上，记载历史上重要的日期。