Library science
n. 图书馆（管理）学
🧩 词语组成解析
🗣️ 情景例句
Good morning, Dad.
早安， 爸爸。
Why don't you bring Sarah and Kathy with you?
你能把莎拉和凯茜一起带来吗？
The only thing to do was ask them to come half an hour later than the other guests.
唯一的办法就是请他们比别的客人晚来半小时。