The leg of originally asleep person is false, he is actually something to squat down .

原来睡着的人的腿是假的，他实际上是蹲着的。

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After one false start Liu stopped before the first hurdle clutching his leg and then walked out of the stadium.

在一次抢跑后，刘翔在第一个碰到他的栏前停下，接着走出了体育场。

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After a false start, he stumbled forward for a few paces obviously hindered by the injury to his right leg before walking away and leaving a packed Bird's Nest stadium in stunned silence.

当他准备起跑时，表情很痛苦。当比赛开始时，他向前蹒跚了几步，很明显是由于右腿的伤势，随后刘翔退出了比赛。

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Director Colette Lamarche showed off exhibits including Lord Uxbridge's false leg, the world's first fully articulated artificial limb.

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The programme charts the lows of Gravell's struggle to get to grips with walking on a temporary false leg, to his joy when he manages to master enough control over the artificial limb to resume driving and regain his independence.

BBC: Ray Gravell's final months to be aired in BBC documentary