目的观察胃肠负荷对甲状腺机能低下大鼠适应性产热的影响。

Objective To observe the effect of digestive load from senna on the adaptive thermogenesis in hypothyroid rats.

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棕色脂肪细胞中有大量的线粒体——一种极小的细胞器，他们可以消耗氧气，燃烧膳食中的糖类来进行产热而不是把能量储存成为脂肪。

Brown fat cells are equipped with a large supply of mitochondria — tiny organelles that use oxygen to burn sugar from the diet to generate heat, rather than store the energy as fat.

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而且轿车还会排放大量的二氧化碳，不仅会继续产热，而且还会持续相当长的时间。

Cars also spit out lots of carbon dioxide, which lasts, and continues to trap heat, for a really long time.

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