he often exercises
他经常锻炼。
以上为机器翻译结果，长、整句建议使用 人工翻译 。
He often exercises on weekends.
他经常在周末锻炼。
youdao
He often exercises, so he is very strong and tall.
他经常锻炼，所以他的身体非常强壮，高。
How often does he exercise? He exercises three times a week.
他多久锻炼一次？他每周锻炼三次。
Every day, he assigns them rigorous and often unconventional exercises.
WSJ: Mets' Pitchers of the Future Need to Stay Healthy
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