supinate

例句：

1. 1. The patient was lying on the table, with her spine supinated.
   病人躺在床上，脊柱呈S形。
2. 2. The doctor advised him to sleep on his side instead of lying flat on his back, to avoid a supinated spine.
   医生建议他侧卧而不是平躺，以避免脊柱呈S形。
3. 3. The child's spine was supinated, which could be a sign of spinal deformity.
   孩子的脊柱呈S形，这可能是脊柱变形的迹象。