为了在入冬前做好准备，这些动物会吃更多的食物来增肥，从而获取睡眠时所需的热量。

To prepare for this before winter, these animals eat extra food to become fat which gives them the energy they need while they sleep.

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为了在入冬前做好准备，这些动物会吃更多的食物来增肥，从而获取睡眠时所需的热量。

To prepare for this before winter, these animals eat extra food to become fat which gives them the energy they need while they sleep.

youdao