Roll the leg inward until the kneecap faces the other leg.
卷腿膝盖向内,直至面临另一方面,另一条腿.
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Bynum injured his left knee on Jan. 13, suffering a bone bruise and briefly dislocated kneecap.
拜纳姆在1月13号比赛中左膝受伤, 骨头被撞, 膝盖骨暂时脱臼.
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A subluxation occurs when the kneecap is pulled toward the outside of the knee.
当膝盖骨被拉到膝部外面发生半脱位.
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