那些旧房子已经拆掉了。

The old houses have been torn [pulled] down.

《新英汉大辞典》

工人们拆掉了旧房子而在原地另盖新房子。

The workmen tore down the old house and built a new house in its place.

youdao

所以每建一套新房子可能不得不拆掉三四所旧房子。

Old houses are often so densely packed that perhaps three or four have to be demolished for every new one built.

youdao

所以每建一套新房子可能不得不拆掉三四所旧房子。

Old houses are often so densely packed that perhaps three or four have to be demolished for every new one built.

youdao