坐在出租车上的乘客，想问司机一个问题，为了引起他的注意，将身子屈前并轻拍了一下他的肩。

A passenger in a taxi leaned over to ask the driver a question and gently tapped him on the shoulder to get his attention.

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作者报告了117例关于髌骨膝前阻挡术治疗麻痹性膝反屈的病例。

The authors reported 117 eases about patella-block treatment of genu recurvatum in sequela of poliomyelitis.

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我发现骶髂疼痛患者适合做的瑜伽体式是扭转和不对称前屈，这两种都帮助减少该关节的扭矩。

I have found that the best poses for sacroiliac pain are twists and asymmetrical forward bends, both of which help to diminish the torque through the joint.

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