koilosternia

例句：

1. 1. Shehad to sit on the cold floor forhours, causing her kneebone toache.
   她不得不坐在冰冷的地板上几个小时，导致她的膝盖骨疼痛。
2. 2. The doctor advisedhim to rest his knee and avoid puttingtoo much weight on it.
   医生建议他休息膝盖并避免给它施加过多的重量。
3. 3. Hewas diagnosed with a torn knee ligament, which required surgery to repair.
   他被诊断出膝盖韧带撕裂，需要手术修复。