他们的目的是一栋楼一栋楼、一条街一条街地清扫这片区域。

Their intention is to clear the area, building by building, street by street.

youdao

他们的目的是一栋楼一栋楼、一条街一条街地清扫这片区域。

Their intention is to clear the area, building by building, street by street.

youdao