Actually walking up and down the stairs would beat any exercise machine. You may also go jogging every morning.
事实上。爬楼梯可比什么健身器械都要好。每天早晨。你也可以去慢跑。
Walking down and up the stairs would beat any exercise machine.
上下楼梯课比什么健身器材都有用。
Walking down and up the stairs would beat any exercise machine.
上下楼梯课比什么健身器材都有用。
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