A flamingo can sleep while standing on one leg.
火烈鸟可以单腿站立睡觉。
If you are a white-collar, no opportunity always standing, actually sit can thin leg.
如果你是白领，没有机会总是站着，其实坐着也能瘦腿。
Do you think you could sleep standing on one leg?
你觉得你能一条腿站着睡觉吗？
Bring your left leg forward and return to standing.
左腿向前迈，回到站立姿势。
Afew water birds sleep standing on just one leg.
有些水鸟一只脚站着睡。
Afew water birds sleep standing on just one leg.
有些水鸟一只脚站着睡。
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