Postreduction
后减数
🗣️ 情景例句
Maybe you can teach me how to work on a computer someday.
改天你教教我如何使用电脑吧。
I'm glad to hear about your graduation.
我很高兴得知你毕业了。
Yesterday a beggar knocked at my door.
昨天一个乞丐来敲我的门，