送交者: 匆匆过客 于 2005-12-05, 20:24:36:

回答: 而且古巴处在热带，热带本来是短命的 由 HunHunSheng 于 2005-12-05, 20:07:29:

Human bodies have to work harder to maintain the body temperature in cold climate. Body metabolism is faster and it burns more calories.

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