要是没人改变时间的话，我们学校的楼怎么会没塌呢。

If someone hadn't changed The Times, the school would be collapsed right now.

youdao

妈妈赶紧跑下楼，一看，楼并没有塌。

Mother quickly ran down the stairs, a look, Lou did not collapse.

youdao

突然，整个大楼开始摇晃，我非常害怕- - - - - -我们的教室在三楼，如果大楼垮塌，我们将必死无疑。

Suddenly, the whole building started to shake. I was scared — my classroom was on the third floor, the building would collapse and we would die there.

youdao