Fair-skinned people who spend a great deal of time in the sun have the greatest risk of skin cancer.
皮肤白皙的人长时间待在太阳底下患皮肤癌的危险最大。
The orderly nature of our solar system leads most astronomers to conclude that the planets formed at essentially the same time and from the same material as the Sun.
我们太阳系的有序特性使大多数天文学家得出结论，这些行星基本上在同一时间形成，且物质来源和太阳的一样。
Any differences between them—one twin having younger looking skin, for example—must be due to environmental factors such as less time spent in the sun.
他们之间的任何差异（例如，双胞胎中有一个的皮肤看起来更年轻）一定是由于环境因素导致的，如在阳光下呆的时间更少。
Volcanic carbon dioxide in Earth's early atmosphere kept Earth warm enough for life to begin during the time when the Sun was too dim to provide much warmth.
地球早期大气中的火山二氧化碳使地球足够温暖，保证生命在太阳过于昏暗而无法提供足够热量的时候能够得以孕育。
All the time, water is being evaporated from the ocean's surface by the warmth of the sun.
由于太阳的热度，海水一直在从海洋表面蒸发。
It snowed the day before — giving a strange feeling at a time of year when there is virtually no darkness — but on Sunday the sun blazed across the water.
前一天下了雪——在一年中几乎没有黑暗的时候，会有一种奇怪的感觉——但周日，太阳照耀着湖面。
It's the first time I, a fair-skinned, freckly type, have sailed in the sun without burning.
这是第一次，我这样一个皮肤白皙、有雀斑的人，顶着太阳航海而没有晒伤。
About the time the three climbers were halfway down, clouds blotted out the sun.
当3位登山者下到半山腰的时候，云层遮住了太阳。
The main axis of the planet's orbital ellipse shifts each time when it goes around the sun.
当行星绕太阳运行时，其轨道椭圆的主轴每次都会改变。
With teams in different time zones, companies can realize a longer workday with what is often called "follow the sun" development.
有了在不同时区的团队，公司可以利用经常被称为“跟随太阳”的开发来实现更长的工作日。
Both these devices worked well in sunny climates; but in northern Europe, the sun may be hidden by clouds for weeks at a time, while temperatures vary not only seasonally but from day to night.
这两种装置在阳光充足的气候条件下工作良好；但在北欧，太阳可能一次被云层遮挡数周，而温度不仅随着季节变化，而且还随着昼夜变化。
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。
On cloudy days or at night it was impossible to tell the time with a sun clock or a sundial.
在阴天或晚上，无法用太阳钟或日晷看出时间。
He worked very hard so that by the time the sun was high, he was hot, and wished for a cool place where he might rest for a while and eat his dinner.
他非常努力地工作，所以当太阳高照的时候，他热极了，希望有一个凉爽的地方，他可以休息一会儿，吃他的晚餐。
He was now able to tell time by the position of the sun during a day.
他现在可以根据一天中太阳的位置来判断时间了。
Almost at the same time, they get up and start running toward the rising sun.
几乎在同一时间，他们站起来，开始朝升起的太阳跑去。
Sunscreens should not be used for extending time spent in the sun, and people using sunscreen during sun tanning should voluntarily limit their time spent in the sun.
不应靠使用防晒霜来延长暴露在阳光下的时间，使用防晒霜晒黑皮肤的人应该自觉地限制在阳光下的时间。
The series of photos was taken at 23:50 11:50 PM local time, showing the midnight sun. Upernavik pop.
这一系列的图片是在当地时间23：50(晚上11：50)拍摄的，显示了子夜太阳的样子。
A new study of twins suggests you can blame those coarse wrinkles, brown or pink spots, and dilated blood vessels on too much time in the sun, smoking, and being overweight.
一项针对双胞胎开展的最新研究表明，皱纹、红褐斑以及血管瘤等皮肤问题和长时间日晒、吸烟以及体重超标有关。
Then he had another dream, and he told it to his brothers. "Listen, " he said, "I had another dream, and this time the sun and moon and eleven stars were bowing down to me."
后来他又做了一梦，也告诉他的哥哥们说：“看啊，我又做了一梦，梦见太阳，月亮与十一个星向我下拜。”
They were weeding under the scorching sun at this time yesterday.
昨天的这个时候他们正在烈日下除草。
To do that, they would apply vinegar on their hair and then spend time in the sun.
她们的做法是将醋摸到头发上，然后花时间在太阳下去晒着。
Runners spend a lot of time outdoors in the sun, so it's important that we take steps to protect our skin from sun exposure.
由于跑者的日晒时间都比较长，因此我们很有必要采取一些措施来在暴晒下保护我们的皮肤。
By the time the sun rose, my father, after his prayers, finished with me our morning milk, and then, I standing at his side, he would once more hold communion with God, chanting the Upanishads.
太阳这时已升起来了，父亲也已念完早经，和我一道饮完牛奶，然后，他吟唱起《奥义书》中的经文，再一次向神明祈祷，我站在他的旁边，静静地谛听。
Of course, most Americans have known for some time that sun-tanning is dangerous business.
当然，大多数美国人知道晒黑是件危险的事已有一段时间了。
Of course, most Americans have known for some time that sun-tanning is dangerous business.
当然，大多数美国人知道晒黑是件危险的事已有一段时间了。
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