The finale segment of the spine is the lower portion of the back located near the tail bone.

脊柱的最后一段是背部的下半部位，处于靠近尾骨的地方。

youdao

In a curved downward position the tip of the tail bone should reach no further than the hock joint.

如果尾巴向下弯，其尾骨的末端大约可以延伸到飞节的位置。

youdao

Inhale, and start at tail bone and raise on spinal segment at a time until weight is supported on feet and shoulders.

吸气，从骶骨开始逐节抬起脊柱，直到由脚部和肩部支撑所有身体重量。

youdao

Freese hasn't played since Monday when he bruised his tail bone falling into the stands trying to catch a foul ball.

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