Levulinic
乙酰丙
🗣️ 情景例句
How much notice of cancellation is necessary to get my deposit back?
想把定金拿回来，要提前多长时间通知你才行？
Yes,and it goes beautifully with your pants.
好看，配上你的这条裤子美极了。
OK.
好吧！