Quando
[法] 当...时, 任何时候, 因为
🗣️ 情景例句
Do you speak a foreign language?
你会讲外语吗？
Excuse me, I'd like to ask you a question.
对不起，我可以问个问题吗？
In his own lifetime Galileo was the centre of violent controversy;
伽利略在世时是激烈论战的中心。