通过对19位怀孕对象的研究，Whitcome女士发现女性的腰部，或背部下方曲线可包含三块椎骨，而男性只有两块。
After studying 19 pregnant subjects, Ms. Whitcome found that the lumbar, or lower back, curve in women extends across three vertebrae, as opposed to just two in men.
到了晚上，我有时会觉得有人钻到了我的被窝里面，能感到有两只小手在背后摸我的腰部。
At night I would sometimes feel someone get into bed with me and feel two little hands in the small of my back.
男孩几乎被吹爆成两半，因为气压将他的腰部炸开而且让他飞了出去。
The boy was almost blown in half as the pressure ripped open his waist and sent him flying.
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