Chitty
[经] 单据, 证件, 证明书
✅ 同义词
🗣️ 情景例句
What's the nature of the problem?
是什么样的问题？
Will you take that library book back for me?
你能帮我把书还回图书馆吗？
The tour should last about an hour and a half.
这次参观大概需要一个半小时。