推杆报警消防锁:once a week twice a week........

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一个星期四次怎么说？ 每个星期游四次泳怎么说？

four times a week, I swim four times a week.

four times a week
i swim four times each week

fourth a week ;

Go swemming fourth a week

four times a week
I swim four times a week.

once a week twice a week........ MAYBE ONCE OR TWICE A WEEK How often do you eat out?It depends,but usually once a week.中depends的意思 once upon a time Once upon a century once upon a dream ONCE UPON A TIME once in a lifetime once in a lifetime I_______(BUY) a booklast week