Glycolamide
2-羟乙酰胺
🗣️ 情景例句
That's very well.
非常满意！
If I went with you,I'd have to be back by six o'clock
如果我与你一起去了，我将不得不在6点钟回来。
Yes. It's time for class. Let's go.
是的。上课的时间到了。我们走吧。