He calls at every house in the street once a month.

他每月一次，都要来这条街上光顾每一户人家。

youdao

He called at every house in the street once a month.

他每月都要访问一次这条街的每户人家。

youdao

He calls at every house in the street once a month.

他每月一次来这条街挨家挨户登门。

youdao

He calls at every house in the street once a month.

他每月一次来这条街挨家挨户登门。

youdao