考虑到时间问题，他们可以在下班后或放学后去锻炼甚至一周锻炼两次。
Considering their time, people can do exercise after work or after school even one or twice a week.
你可以做间隔锻炼一周一次或者两次（不要连续两天）。
You can do interval training once or twice a week (never two days in a row).
珍妮佛：有时候一周四次，不过他通常一周只锻炼两次。
Jennifer: he sometimes exercises four times a week. But, he usually exercises only twice a week.
你可以做间隔锻炼一周一次或者两次(不要连续两天)。
You can do interval training once or twice a week (never two days in a row). Try some of these workouts.
我一周锻炼一到两次。
珍妮佛：有时候一周四次，不过他通常一周只锻炼两次。
Jennifer: : he sometimes exercises four times a week. But, he usually exercises only twice a week.
我和朋友去健身房一周两次，我们在哪儿游泳和锻炼身体。
I go to a gym twice a week with my friends. We swim and. work out. there.
我和我的朋友一周去两次健身房，我们在那游泳、锻炼身体。
I go to gym twice a week with my friends. We swim and work out there.
我和我的朋友一周去两次健身房，我们在那游泳、锻炼身体。
I go to gym twice a week with my friends. We swim and work out there.
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