熊在冬天会进入冬眠状态。

Bears go into hibernation during winter.

冬眠帮助动物保存能量。

Hibernation helps animals conserve energy.

一些动物在冬眠前储存食物。

Some animals store food before hibernation.

许多动物在春天结束冬眠。

Many animals come out of hibernation in spring.

熊在冬季会进入冬眠。

Bears go into hibernation during the winter months.

许多动物在春天从冬眠中醒来。

Many animals wake up from hibernation in springtime.

科学家们研究了动物的冬眠行为。

Scientists studied the hibernation behavior of animals.

许多动物在极夜期间进入冬眠状态。

Many animals go into hibernation during the polar night.

青蛙的冬眠帮助它度过寒冷的天气。

The frog's hibernation helps it survive the cold weather.

冬眠的过程在不同物种之间有所不同。

The process of hibernation varies among different species.