down with your right leg, down with the left. After one minute, switch and do one minute starting with the left leg.

做了一分钟之后，换腿，先上左腿，再上右腿，先下左腿，再下右腿。

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Detrick said the switch ended up sending her to the emergency room with a broken leg and fractured eye socket after she had a seizure while riding her bike.

德特里克说，这一换把她换进了急诊室。当她在骑自行车时癫痫发作，让她摔断了一条腿，同时眼窝破裂。

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The instrument is specially designed for simplicity in measuring the contact resistance of switch, relay, plug, connector, or between electrolytic lead leg and electrode.

该仪器是专为简单的测量开关接触电阻，继电器，插头，连接器，或腿之间的电解铅和电极。

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They put on 55 before a switch to Ollie Rayner's off-spin brought the visitors fortune and Troughton, playing defensively at a leg-side delivery, lost his balance, the ball rebounding off Hodd's pads for a stumping.

BBC: Trott century keeps Bears in game