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晚冰期来临时,任何抵御寒冷的适应能力,无论这种能力在正常情况下多么不利,都可能决定一个人的寿命是活到成年还是早年夭折。
At the onset of the Ice Age, any ability to withstand cold acclimation, no matter how unfavorable this ability is under normal conditions, may determine whether a person’s life expectancy will die before adulthood or early age.