Cataloging system
[计] 编目系统
🧩 词语组成解析
[计] 编目
🗣️ 情景例句
We had a great time, Mom.
我们玩得非常开心，妈妈。
I know the boy whose father is a policeman.
我知道那个男孩的父亲是警察。
Mr. Green doesn't climb down the chimney. He waits until the children are asleep.
格林先生不从烟囱上爬下来，他等候孩子们都睡熟。