Levulinate
乙酰丙酸
🗣️ 情景例句
You may well say so.
你可以这么说。
If you have any questions on the details， feel free to ask.
如果对某些细节有意见的话，请提出来。
The curtain went up on the final act of the play and revealed the aristocrat sitting alone behind bars in his dark cell.
大幕拉开，最后一幕戏开演，贵族独自一人坐在铁窗后阴暗的牢房里。