The standing leg locks so it stays straight.

（马）站立的腿被锁住了，所以它能保持笔直。

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The forms and structures of ancient Chinese wooden furniture can be classified into six types: Board style, Instep style, Standing leg style, Pedestal style, Kunmen style, and Tray style.

根据其关键构件的形式特点，中国古代木家具腿足可分为板足式、跗足式、立腿式、架座式、门式、托泥式等六种基本形式。

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A flamingo can sleep while standing on one leg.

火烈鸟可以单腿站立睡觉。

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The man is standing very straight, with his left leg slightly forward.

VOA: special.2010.08.04

Sometimes a heron can be seen standing on one thin leg,motionless.

VOA: special.2009.10.06

The match was well into injury time when England midfielder Wilshere took out Zigic's standing leg with a wild lunge.

BBC: Arsene Wenger admits Jack Wilshere deserved red card

Electing to tackle the Honduran's cross with his legs, the normally reliable Jaaskelainen - who had pulled off a fine save from Defoe only moments earlier and was again under pressure from the England man - failed to make contact and the ball rebounded in off his standing leg.

BBC: Jermain Defoe and Roman Pavlyuchenko

He speaks reverently to his superiors, not scuffling his feet or standing on one leg, and he is mild and polite with those below him.

NEWYORKER: Invitation to a Beheading