1. "In fact, " she said after a while, "we have gone into hibernation."
“事实上，”过了一会儿，她说，“我们已经进入了冬眠状态。”
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2. Now when they emerge in the spring from hibernation, the mating process begins.
现在，当它们从冬眠中醒来时，交配的过程就开始了。
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3. Animals which save energy by hibernation or lethargy (e. g. bats or hedgehogs) live much longer than those which are always active
通过冬眠或昏睡来节省能量的动物（例如蝙蝠或刺猬）比那些一直很活跃的动物活得更久。
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4. Groundhogs spend the winter hibernating in a specially dug hibernation burrow, their breathing and heartbeats slowed to a snail's pace.
土拨鼠在一个特别的冬眠洞穴中冬眠，它们的呼吸和心跳慢到和蜗牛差不多。
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5. When our star drops out of its latest sunspot activity cycle, the sun is most likely going into hibernation, scientists announced today.
科学家今天宣布，当我们的恒星脱离最近的太阳黑子活动周期时，太阳最有可能进入冬眠。
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6. Heart rate tracking for three of the Alaska bears showed a drop from 55 beats per minute on average before hibernation to 14 erratic ones per minute in winter.
7. He reasoned that some single-celled creatures are known to enter a hibernation-like state and survive for years with no air or food.
他推断，已知的一些单细胞生物进入类似冬眠的状态，在没有空气和食物的情况下存活数年。
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8. Animals are also affected, particularly before earthquakes, snakes have been observed to come out of hibernation, rats to flee from their burrows, dogs howl and cats jump about unaccountably.
