once a week

They go to the mosque to pray once a week.

他一到清真寺去祈祷。

Slough off dry skin once a week.

除一干皮。

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

我的娱乐是去电影院看一电影。

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

至少清洗一雏禽盒和手推车。