19 Hibernation

Hibernation written by John Lockyer

约翰·洛克耶的《冬眠》

It can be very cold in winter. In some places, there is so much snow and ice it is hard for animals to find food. Some animals go away to warm places. Other animals stay behind and go to sleep. These animals are hibernators. polar bear

冬天会很冷。 在一些地方，冰雪太厚，动物很难找到食物。 有些动物去温暖的地方。 其他动物留在后面睡觉。 这些动物是冬眠动物。 北极熊

An animal that is hibernating looks like it is dead but it isn't. Its heart is going very slowly and it is breathing very slow. dormouse The animal slows its body down so it doesn't have to eat when it is asleep. All hibernators have to eat a lot of food before they go to sleep.

冬眠的动物看起来像是死了，但实际上并没有。 它的心跳很慢，呼吸也很慢。 这种动物放慢了身体的速度，这样它在睡觉时就不用吃东西了。 所有的冬眠动物在睡觉前都要吃很多食物。

Hibernating animals must find a good place to sleep. The sleeping place must be dry and warm. cave It has to keep the hibernator away from other animals. Caves and holes underground are good places to hibernate.

冬眠的动物必须找个好地方睡觉。 睡觉的地方必须干燥和温暖。 它必须使冬眠动物远离其他动物。 洞穴和地下洞穴是冬眠的好地方。

Bears are hibernators. They know it is time to go to sleep when the nights get much longer than the days. Bears like to hibernate in caves. Bats are hibernators that sleep in caves. Sometimes more than 100 bats hibernate together. bear

熊是冬眠动物。当夜晚比白天长得多的时候，他们就知道该睡觉了。 熊喜欢在洞穴里冬眠。 蝙蝠是冬眠动物，睡在洞穴里。 有时会有100多只蝙蝠一起冬眠。 熊

Animals like snakes have cold blood. They use the sun to keep them warm. Snakes that live in cold places have to hibernate in winter. If they don't, then the snow and ice will freeze their blood. snakes Before it gets too cold, these snakes get together and go underground to sleep. Sometimes more than 500 snakes hibernate together.

像蛇这样的动物是冷血的。 它们利用太阳来保暖。 生活在寒冷地区的蛇在冬天必须冬眠。 如果他们不这样做，冰雪就会冻住他们的血液。 在天气变冷之前，这些蛇聚在一起，到地下睡觉。 有时会有500多条蛇一起冬眠。