once a week

Slough off dry skin once a week.

每周除一次干皮。

For amusement,we go to the movies once a week.

我们的娱乐是每周电影院看一次电影。

They go to the mosque to pray once a week.

他们每周一次到清真寺祈祷。

Wash poult boxes and delivery carts at least once a week.

至少每周清洗一次雏禽盒和手推车。