However, the precise details of the leptin system and its physiological significance in human weight control still remain to be fully understood.
但是,瘦素系统精确细节及其对人体重调节的生理意义尚不十分清楚。
"The heel is engineering in itself, " said the sought-after designer in his Paris atelier. "This little thing that supports the human weight has to have a precise balance.
“高跟鞋设计的重点在于鞋跟,”这个炙手可热的设计师在他巴黎的工作室说,“这个撑著人体重的小东西得保持精准的平衡。”
These could reflect the declining weight of the human skeleton that seems to have accompanied the switch to settled life, which started some 15,000 years ago.
这能反映始于大约15,000年前向定居生活的转变时,伴随而来的人类骨架重量的下降。
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