Fuel is energy and energy comes from caloric intake.

燃料电池是能源和能源来自于热量的摄取。

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Controlling daily caloric intake is key to managing his or her weight.

控制热量的日摄取量是控制狗狗体重的关键。

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Controlling daily caloric intake is key to managing his or her weight.

控制热量的日摄取量是控制狗狗体重的关键。

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