弓形腿

例句：

1. 1. The childhas a condition called scoliosis,which causes his back to curve.
   这个孩子患有一种叫做脊柱侧弯的疾病，导致他的背部弯曲。
2. 2. Athletesoften have to deal with the challenges ofhaving clubfoot, which can affect theirperformance.
   运动员经常不得不面对患有马蹄内翻足的挑战，这可能会影响他们的表现。
3. 3. Doctors are trying to find waysto treat this condition, which can leadto serious health problems.
   医生们正在尝试找到治疗这种状况的方法，这可能会导致严重的健康问题。