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.

youdao

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.

youdao