Quando
[法] 当...时, 任何时候, 因为
🗣️ 情景例句
Yes, we have. For how many?
有，要几张？
While we were having breakfast,John was talking on the telephone.
当我们正在吃早餐时，约翰正在打电话。
'I'll write a letter soon.
“我很快会写信的。