Changes in weather
天气的变化
As the seasons change, the weather changes too.
随着季节的变化，天气也在变化。
Summer is usually hot.
夏天通常很热。
After summer comes fall, and it is colder.
夏天过后是秋天，天气更冷了。
After fall comes winter.
秋天之后是冬天。
Winter is the coldest season.
冬天是最冷的季节。
In winter, blizzards can happen.
冬天可能会发生暴风雪。
Some animals hibernate over the winter.
有些动物冬眠过冬。
They wake up in spring when there is more food and it is warmer.
他们在春天醒来，那时食物更多，天气更暖和。
Storms can change the weather quickly.
暴风雨能迅速改变天气。
A thunderstorm has many dark clouds and lightning.
雷雨有许多乌云和闪电。
Lightning is like electricity and it can kill and destroy things.
闪电就像电一样，它可以杀死和摧毁事物。
Lightning makes a sound called thunder.
闪电发出一种叫雷声的声音。
That is why it is called a thunderstorm.
这就是为什么它被称为雷暴。
Tornadoes can happen in thunderstorms.
龙卷风可能在雷暴中发生。
A tornado comes down from the clouds.
龙卷风从云层中袭来。
The wind moves very quickly in a circle.
风绕着圈很快地移动。
If the tornado touches anything, it can destroy it.
如果龙卷风碰到任何东西，它都能摧毁它。
Hurricanes are the biggest storms.
飓风是最大的风暴。
The wind is very very fast and there is a lot of rain.
风非常快，雨水很多。
Floods can happen.
洪水可能会发生。