所以他每月要三次飞越锯齿山去看病人。
So he flies in three times a month, over the Sawtooth Mountains, to see patients.
你爱运动，每周和朋友打两次篮球，且每月去游泳三次，一到周末，你就到操场踢足球。
I like sports, and play basketball twice a week with my friends. I also go swimming three times a month. I play football on the playground at the weekend.
运动教育介入内容包括教学活动及每月一次共三次的访视活动。
The content of exercise education intervention included teaching activities and three times of visits each month.
运动教育介入内容包括教学活动及每月一次共三次的访视活动。
The content of exercise education intervention included teaching activities and three times of visits each month.
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