It is long known that Earth's orbit around the Sun changes periodically, cyclically affecting the way solar radiation strikes the Earth.
人们早就知道，地球围绕太阳的轨道会周期性地变化，周期性地影响太阳辐射照射地球的方式。
The young pale wind-flowers had arisen by the wood, and under the hazels, when perchance the hot sun pushed his way, new little suns dawned and blazed with the real light.
嫩白的风信子盛开在树林中，在榛树下，当强烈的阳光照耀着它时，像太阳似的花朵突然绽放，并带着灿烂的光芒。
How could a bird navigate by the Sun when some of us lose our way with road maps?
我们中的一些人用地图都迷路，一只鸟怎么能靠太阳导航呢？
As the sun dipped toward the horizon they pushed out and got under way.
当太阳接近地平线时，他们就撑起船，出发了。
A lot of people think of earth's orbit around the sun as being perfectly circular, as smooth and as regular as, say, the way that hands move on a well-made watch, but it just doesn't work that way.
很多人认为地球绕太阳的轨道是完美的圆形，就像手在一块制作精良的手表上移动那样平滑、有规则，但事实并非如此。
Some stars out of Milky Way outblaze the sun.
银河系外的有些星体其光度超过太阳。
Watch the way the color of the sand changes throughout the day with the Angle of the sun.
仔细观察在一天之内沙子颜色随着阳光的照射角度的变化而变化的方式。
Now, though, a pair of Canadian engineers have come up with an ingenious way of using the heat of the sun to drive the process.
但是现在有两位来自加拿大的工程师找到了一种独创性的方法- - - - -用太阳的热能进行海水淡化。
Solution: Sun developed a way to make it easy for humans to train computers in picture classification.
解决之道：孙剑开发了一种方法，能够简便的获取可用于机器训练的分类图片。
Even given the precession of the Earth's rotational axis over the millennia, the Sun continues to rise over Stonehenge in an astronomically significant way.
即使有几千年的地球自转轴的进动，太阳仍然以天文意义上的方式从巨石阵上方升起。
The oil slick is particularly visible in this image because of the way the sun reflects off the oil and the surrounding water.
在这幅图像中你可以很明显地看到那片浮油，这是因为浮油和周围的海水对于阳光的反射有着很大的不同。
Another way to probe distant regions in the Milky way is to track the fastest stars near the Sun.
另一个探测银河系中较远区域的方法是追踪靠近太阳的最快的恒星。
The most important way to take care of your skin is to protect it from the sun.
保护皮肤最重要的方式就是保护它不受阳光伤害。
One of the theories is that we lost our fur as a way of dealing with the heat of the sun.
其中一个理论认为，我们为了适应太阳下的高温而失去了我们的毛皮。
Nevertheless, it remains crucial to understand the precise changeability of the sun, and the way it influences the various regional patterns of weather on Earth.
无论如何，准确地了解太阳的变化，以及变化对地球局部天气造成的影响，仍然是重中之重。
Only when the storm had passed, the wind had stilled, and the drenched earth was again warmed by the sun, did the Mother Birch's battered trunk finally give way.
只有当暴风雨过去了，风停止了，潮湿的土地重新沐浴到了温暖的阳光，白桦妈妈受伤的树干才终于倒塌。
Thousandsof miles away, another species of termite has developed an innovative way of making sure it gets the most out of the sun.
千里之外，另一种类的白蚁已经找出充分利用太阳能的筑巢方式。
The sun is one of more than 100 billion stars in the Milky Way.
太阳是银河系中1000亿颗恒星中的一员。
All life on our earth depends, in one way or another, on the sun.
地球上的一切生命都是以各种方式依靠太阳而生存的。
After walking a long way in the sun, they felt thirsty.
在太阳下走了很长一段路，他们感到口渴。
It was a giant leap suddenly to argue that the Earth orbits the sun, rather than the other way around, particularly without telescopes.
要知道当时尤其是在没有望远镜的情况下，突然声称地球围绕太阳运动而非相反是多么巨大的飞跃。
If you assume that the planets are moving around the sun in that way, then he found out that the observed motion of the planets fit much better.
如果假设行星是以那样的方式绕着太阳转，那么他所观察到的行星运动就更加具有说服力了。
A solar collector is one way to collect heat from the sun.
太阳能集热器是收集太阳热能的一种途径。
A little way off the crocodile lay blinking in the sun, with his sharp teeth and whity-yellow jaws wide open.
太阳下，一条有着锋利的牙齿和张着浅黄色大口的小鳄鱼在不远处趴着，对他们视而不见。
The way is long, and the dust is hot in the sun.
道路是漫长的，烈日下路上的尘土火一般灼热。
The sun was setting quickly and I was worried about finding my way back in the dark, so I decided to head home.
太阳已经转到了西边，马上就要落下去了，我恐怕天黑后找不到路所以决定赶紧回去。
And in the case of a star like the sun, it could do so all the way out to the orbit of Saturn.
如果有像太阳那样的一颗恒星，这完全可以在土星的轨道上行得通。
And in the case of a star like the sun, it could do so all the way out to the orbit of Saturn.
如果有像太阳那样的一颗恒星，这完全可以在土星的轨道上行得通。
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