Acetyloxide
氧化乙酰, 醋(乙)酐
🗣️ 情景例句
That kind of thing.
等等。
We couldn't help the accident.
我们未能防止事故发生。
I have them on this piece of paper. Now let me call your names. OK?
我这张纸上有你们的名字。现在我来点名。好吗？