Because the sun comes up later.
太阳还没升起来呢。
You should pack plenty of sun block because the sun is very strong in South Africa.
你应该带上防晒霜，因为南非的太阳非常的毒。
I noticed that we had slept until the afternoon, because the sun was heading to the west rapidly.
我才意识到已经睡到下午了，因为太阳公公就要落山了。
Solar eclipses are possible only because the sun and the moon appear to be about the same size in the sky.
日蚀的产生是当太阳和月亮在天空中看起来几乎一样大时才可能。
Right on cue, NASA is pronouncing that disasters are ahead because the Sun is waking up, going into the solar maximum.
果然不出所料，NASA正在宣布前面等着我们的灾难是因为太阳正在苏醒，即将进入太阳的最大活跃期。
The chances of a disruption from space are getting stronger because the sun is entering the most active period of its 11 to 12-year natural cycle.
由于太阳正逐渐进入活跃时期，太阳黑子的活动周期为11年到12年。
But this is impossible, because the sun would not like to be too vociferous occasion, if the little ones will open dance, the world will be very noisy!
但这是不可能的事，由于太阳公公不喜欢太喧嚷的场合，假如小星星们开起舞会了，世界一定会十分吵杂的！
When he reached a certain place, he stopped for the night because the sun had set. Taking one of the stones there, he put it under his head and lay down to sleep.
到了一个地方，因为太阳落了，就在那里住宿，便拾起那地方的一块石头枕在头下，在那里躺卧睡了。
Because in the north the sum is low during winter, the sunlight appears quite blue. Because the sun is higher during summer, the hot summer sunlight appears yellow.
因为在北方冬季太阳低，使人觉得似乎阳光有点发蓝，而在炎热的夏季令人觉得阳光似乎是黄色的。
Because in the north the sun is low during winter, the sunlight appears quite blue. Because the sun is higher during summer, the hot summer sunlight appears yellow.
因为在北方冬季太阳低，使人觉得似乎阳光有点发蓝，而在炎热的夏季太阳高一些，令人觉得阳光似乎是黄色的。
Because the sun is our source of light, energy and heat, the changing intensity and concentration of its rays give rise to the seasons of winter, spring, summer and fall.
因为太阳是光，能量和热的源头，太阳光照强度和密度的变化带来了春夏秋冬季节的改变。
Instead of stopping work because the sun just happened to go down (I often lose track of whether it's day or night), I tend to keep working until I feel I really must take a break.
现在我并不会因为太阳落山而停止工作(实际上我就没注意到现在是白天还是晚上)我经常持续工作，直到我觉得真的需要休息一下为止。
Though people in Shanghai will see no more than a partial eclipse, experts said it will be a great experience, because the sun will be setting while the eclipse is still in progress.
虽然上海市民只能看到日偏食，这仍然是一个不可多得的观测时机。专家称，此次将出现太阳“带食而落”的景象。
Look not upon me, because I am black, because the sun hath looked upon me: my mother's children were angry with me; they made me the keeper of the vineyards; but mine own vineyard have I not kept.
不要因日头把我晒黑了，就轻看我。我同母的弟兄向我发怒，他们使我看守葡萄园，我自己的葡萄园却没有看守。
And he lighted upon a certain place, and tarried there all night, because the sun was set; and he took of the stones of that place, and put them for his pillows, and lay down in that place to sleep.
到了一个地方，因为太阳落了，就在那里住宿，便拾起那地方的一块石头枕在头下，在那里躺卧睡了。
Earth has been able to support life because its position relative to the Sun provided it with enough heat, but not too much heat for early bacteria to evolve.
地球之所以能够维持生命，是因为它相对于太阳的位置为它提供了足够的热量，但热量没有多到可以让早期的细菌进化。
That's because of their belief at the time that the heavenly bodies, the Sun, Moon, Stars, and Planets, were perfect, without any flaws or blemishes.
那是因为当时他们坚信，天体、太阳、月亮、星星和行星都是完美的，没有任何缺陷或瑕疵。
Because they are so dim, it is plausible that the sun could have a secret companion.
它们是那么的暗淡，因此太阳还是很有可能有一颗神秘的伴星。
Winter and summer happen because the earth is tilted as it revolves around the sun.
冬天和夏天的出现是因为地球绕太阳公转时是倾斜的。
The reason for a leap day or a leap year is because our calendar does not follow the Earth's orbit around the sun exactly.
闰日或闰年出现的原因是我们的历法并不精确地遵循地球围绕太阳运行的轨道。
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。
The sun makes this shape over a year because Earth rotates on a slightly different axis than the sun, and our planet also travels on an elliptical orbit.
太阳一年内的轨迹形成这种形状是因为地球围绕着与太阳略微不同的轴旋转，而我们的地球也沿着椭圆形轨道运行。
We can see a number of comets with the naked eye when they pass close to the sun because their comas and tails reflect sunlight or even glow because of energy they absorb from the sun.
很多彗星接近太阳时，我们可以用肉眼看见，因为它们的彗发和彗尾可以反射阳光，甚至因为受阳光激发而自发光。
The sun is at its lowest in our sky because the North Pole of our tilted planet is pointing away from it.
这一天太阳位于天空的最低点，因为地球倾斜的北极与它最远。
I am afraid to go out in the sun now because of the holes in the ozone.
我现在害怕晒太阳，因为臭氧层出现了空洞。
The orbit of the earth around the sun is eccentric because the orbit is slightly elliptical and so has effectively has two centres (neither of them the centre of the sun).
地球环绕太阳的公转轨道是偏心的，这是因为地球的公转轨道稍微呈椭圆形，所以这个轨道实际上就有两个中心（这两个中心都不与太阳的中心重合）。
Astronomers are interested in Mercury, the closest planet to the sun, because it is a terrestrial like Earth, not gassy like Jupiter.
天文学家对水星感兴趣是因为它是类地行星而非类木行星。
Astronomers are interested in Mercury, the closest planet to the sun, because it is a terrestrial like Earth, not gassy like Jupiter.
天文学家对水星感兴趣是因为它是类地行星而非类木行星。
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