But the door of our classroom is lock at night, so we would like to keep a key for it to study.

但我们教室的门是在晚上是锁住的，所以我们想保留一把钥匙去学习。

youdao

But the door of our classroom is lock at night, so we would like to keep a key for it to study.

但我们教室的门是在晚上是锁住的，所以我们想保留一把钥匙去学习。

youdao