trigonum lumbale inferior

例句：

1. 1. The patient's leg was in a trochanteric position, which could be dangerous.
   患者的腿处于大转子位置，这可能很危险。
2. 2. The surgeonperformed a precise operation to removethe trigone.
   外科医生进行了一次精确的操作来移除三棱柱。
3. 3. Thetrochanter is an important partof the hip joint that supports the weightof the body.
   大转子是髋关节的一个重要部分，它支撑着身体的重量。