Shaler began to try to sort them out like a jigsaw puzzle-a head here, a tail there, and now a piece of rib.
谢勒开始试着像做拼图游戏一样把这些骨骼分开来，这是头，那是尾，还有一根骨刺。
Waist and rib section exercise: cross ten fingers and put back of the head, chin up and chest out, expand the arms.
腰肋部运动：十指交叉抱于脑后，挺胸抬头，两臂外展。
Waist and rib section exercise: cross ten fingers and put back of the head, chin up and chest out, expand the arms.
腰肋部运动：十指交叉抱于脑后，挺胸抬头，两臂外展。
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