Acetyloxide
氧化乙酰, 醋(乙)酐
🗣️ 情景例句
What's the reason why you left your previous employer?
你离开原来那个雇主的原因是什么？
Have you taken a bus?
你坐过汽车吗？
Mrs.Ramsay was instructed to place the money in a cardboard box and to leave it outside her door.
他让拉姆齐太太把钱放在一个纸盒里，然后将纸盒放在门口。