iliolumbar vein

例句：

1. 1. The ilium is the largestbone in the human body, located atthe base of the spine.
   髂骨是人体最大的骨头，位于脊柱的底部。
2. 2. Theilium is also responsible for supportingthe lower back and hip joints.
   髂骨还负责支撑下背部和髋关节。
3. 3.Injuries to the iliumcan lead to pain and swelling in theaffected area.
   髂骨受伤可能导致受影响区域的疼痛和肿胀。