The children were drilled to leave the classroom quickly when the fire bell rang.

孩子们接受了如何在火警拉响时迅速离开教室的训练。

《牛津词典》

May we leave the classroom now? No, you mustn't.

我们现在可以离开教室了吗？不，你们不能。

youdao

Don't forget to turn off the lights when you leave the classroom, Tom.

汤姆，当你离开教室时，别忘了关灯。

youdao

That will leave the field clear for the Lib Dems to claim that what matters to parents is improving standards in the classroom rather than structural upheaval and the false promise of choice.

ECONOMIST: Bagehot