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为什么会有四季? – 译学馆
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为什么会有四季?

Why Are There Seasons?

春天到了!
Spring is here!
现在,我们不再用雪堆城堡,用冰锥战斗,而是能够滑滑板、骑单车。
Now, instead of building snow forts and licking icicles, we can skate board and ride our bikes,
我们也不用担心Squeaks在雪里会生锈了
and we don’t have to worry about Squeaks getting rusty in the snow.
吱吱吱~~
[Squeaks squeaks]
每当提起季节的时候,我们都知道一年四季:春、夏、秋、冬。
Speaking of seasons—you know we have four of them: Spring, summer, autumn, and winter.
但是,你知道我们为什么有不止一个季节吗?
But do you know why we have more than one season?
事实上,我们拥有四季是因为地球是倾斜的。地球并不是直直地立在宇宙中,
Well, we have seasons because the Earth is tilted. Instead of standing straight up and
它是微微倾斜着的。
down, it leans a little bit.
哇!这又是怎么回事呢?
Whoa! How’d that happen?
科学家们认为,在很久很久以前——数十亿年之前,有
A really, really long time ago—billions of years ago—scientists think something
很大的东西撞击了地球。由此引发了巨大的影响,甚至于我们这颗星球都被撞斜了一点。
big hit the Earth. The impact was so strong that it knocked our planet over a little bit.
所以直到现在,地球都是倾斜的。
So now Earth is tilted.
我们倾斜着的星球会绕着太阳公转,一转就刚好是一整圈,
And our tilted planet travels around the sun, completing one full trip all the way around
也就是一年。
every year.
我的意思是,一年,就是地球绕太阳旋转所用的时长,
I mean, that’s what a year is — the time it takes for the Earth to go around the sun
刚好一圈。
once.
当地球绕着太阳旋转时,暴露在阳光下的部分也
And depending on where the Earth is in its journey around the sun, our exposure to sunlight
随之变化。
changes.
这就意味着季节的变幻,也是我们一年有四季的原因。
That means the seasons change. That’s why we have four seasons in one year.
在一年的一些时候,地球上的一些部分是斜对着太阳的。另一些时候它又是偏离
Sometimes during the year, part of the Earth tilts toward the sun. Sometimes it tilts away
太阳的。
from the sun.
当你所处的这个位置对着太阳,这时是——
When the part of the planet you’re on is tilted toward toward the sun, it’s—you
你也猜到了——夏天。当它偏离太阳时,他是——对哒!——冬天。
guessed it!—summer. When it’s tilted away from the sun, it’s—yup!—winter.
当它处在两者之间的时候,天气也是处在两者之间的。那时也就是
And when it’s in between, well, the weather’s pretty much in between too. That’s when
春天和秋天。它们都是有一点暖和,有一点凉快,
we have spring and autumn. They’re both a little bit warm, and a little bit cool,
并且总是刮风!
and often windy!
但是季节同样取决于你住在地球的哪个区域上,也就是说,
But the season also depends on where on the Earth you happen to live, that means that
不是每个人都在同时过着同样的季节。
not everyone experiences the same season as the same time.
有的地方是夏天的时候,可能另外一些地方刚好是冬天。因为
It can be summer in some parts of the world when it’s winter in others. Because those
地球上不同的地方照射到的阳光是不同的。
different parts of the planet are getting different amounts of sunlight.
当北半球正对着太阳,正处在夏天的时候,南半球
When the Northern hemisphere is tilted toward the sun and it’s summertime, the Southern
偏离了太阳,所以那时候它在冬天。
hemisphere, is tilted away, so it’s wintertime there.
所以说,地球的倾斜旋转可以说明很多问题。
So the tilty-ness of our planet explains a lot.
这就是为什么一年会有四季,不会整天都是白雪皑皑,也不会整天都是阳光暴晒
It’s why we have seasons, and why it’s not always winter or always summer all of
这也告诉了我们为什么在世界的不同地区
the time. And it also helps us understand why different parts of the world can experience
同一时间有着不同的季节。
different seasons at the same time.
感谢观赏。不管你现在在什么季节,好好享受吧!下次见咯。
Thanks for watching, guys. Enjoy your season, whatever it happens to be! See you next time.

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