In 30 minutes, the three of them had cleaned up their rooms when normally it would have been an all day (sometimes all week) process.

你们能帮助我吗？30分钟后，他们当中的三个已经把他们的房间整理完毕，然而平时他们需要花上一整天(有时一整个星期)。

youdao

In 30 minutes, the three of them had cleaned up their rooms when normally it would have been an all day (sometimes all week) process.

你们能帮助我吗？30分钟后，他们当中的三个已经把他们的房间整理完毕，然而平时他们需要花上一整天(有时一整个星期)。

youdao