Aiu
[计] 抽象信息单元
🗣️ 情景例句
Thank you. I appreciate your help.
谢谢！很感谢你的帮助。
Youth is a blunder; manhood a struggle, old age a regret.
青年冒失莽撞；成年发奋图强；老年遗憾懊丧。
Will you please sweep the floor and tidy the classroom every day?
请你们每天都打扫地板、整理教室，好吗？