The daytime quality of light in forests varies with the density of the vegetation, the angle of the Sun, and the amount of cloud in the sky.
森林里的日光质量随着植被密度、太阳照射角度和天空云层数量变化而变化。
The moon's round orb would shine high in the sky, casting its velvety light on everything.
圆盘似的月亮会高悬在夜空中，将柔和的月光洒向世间万物。
Bad lighting design allows artificial light to shine outward and upward into the sky.
糟糕的照明设计使人造光向外向上照射到天空。
Radio telescopes create pictures of the sky, not in visible light, but in radio waves.
射电望远镜拍摄的天空图片不是可见光，而是无线电波。
If you are looking up at the sky on a clear night and you see a sudden flash of light, it is probably a shooting star!
如果你在晴朗的夜晚仰望天空，突然看到一道闪光，那可能是颗流星！
The light they saw in the sky might have been light from the ground, reflected on to the clouds.
他们在天空中看到的光可能是来自地面反射到云层上的光。
Light pollution is largely the result of bad lighting design, which allows artificial light to shine outward and upward into the sky.
光污染在很大程度是因为照明设计得不好，人造光可以向外和向上照射到天空。
The public was under the impression that Betty and Barney observed only light in the sky, but those familiar with the case know that they observed much more.
公众认为贝蒂和巴尼只是观察到了在天空中的一个亮光，但是那些熟悉这次事件的人知道他们观察到了更多的东西。
They stop the light from going up into the sky.
它们阻止光线往天上照。
The sky must be very dark for a moonbow to be watched clearly—any bright light can obscure it.
要想清楚地观察到月虹，天空必须非常黑暗——任何明亮的光线都可能使它模糊。
Its theme was "fire"; at night the sky over Xichang was as bright as that in the day with the light fire.
它的主题是“火”；在明亮的火光下，西昌夜晚的天空和白天一样明亮。
It whined against our Windows and liquefied the plain and sky to a single, yellowed light.
风沙击打着车窗，把平原和天空融合成一道昏黄的光线。
Photographers showed either the beauty of the night sky or the immensity of light pollution from cities.
摄影师们既展示了夜空的美，也揭露现今城市严重的光污染现象。
The light still remaining in the sky lit up her face, though the landscape was nearly dark.
那时候地上的景物都差不多昏暗了，但是天空的余光还能照出她的脸。
And while aurorae are normally visible only at high latitudes, they can light up the sky even at lower latitudes during a geomagnetic storm.
虽然极光通常只出现在高纬度地区，但是在磁暴发生时，极光也能点亮稍低纬度地区的天空。
And let them be lights in the expanse of the sky to give light on the earth.
并要发光在天空，普照在地上。
If you shoot at this time you'll not only capture light from cars, but ambient light in the sky which can add atmosphere to your shots.
如果你在这个时间段拍摄，你不仅会捕捉到车的光而且天空中的干扰光可以烘托照片的氛围。
In a clear sky from a dark location at the right time, a faint band of light is visible across the sky.
在天气晴朗时从一个较暗的地点，在适当的时间，可以看见跨过天空的微弱光带。
That dream has being long gone since I came to the cities of modern world where we build walls and roofs to limit our vision where we light up the sky to mask true light.
自从我来到现代世界的各个城市以来，那个梦已经消失的无影无踪了。在这些城市里，我们建造了高墙和屋顶来限制我们的视觉，而且我们点亮天空以便掩饰真正的光线。
Some residents in the Washington DC area saw a blue light in the sky that moved around and made now sound.
华盛顿地区一些居民看到了天空里的蓝光，在天空里四处移动，并发出声音。
A long exposure time captured stars (seen as white flecks in the sky) and the exceptional light in this image.
长时间曝光捕捉到图中的那些星星(空中白色的斑点)和特殊的光。
Finally the sky was getting light, she placed the last feather on the steps of the last house.just as the sun rose, she returned to the older woman.
最后，天放亮时，她终于将最后一根羽毛放在最后一家的台阶上。太阳升起时，她回到年长女的家。
Cosette's thin and sickly face was vaguely outlined by the livid light in the sky.
来自天空的一点暗淡的微光隐隐照出了珂赛特的瘦削的面貌。
In the evenings, fireworks light up the sky. The King awards the Stockholm water Prize for the most outstanding contribution to water conservation.
到了晚上，烟火点亮了整个天空，国王会颁发斯德哥尔摩水上奖给对保护水资源最杰出贡献者。
Soon after the upgrades, Hubble took aim at a dark patch of sky, gathering infrared light for a total of four days to detect the very faintest objects.
更新后不久，哈勃便把目标锁定太空的一处黑暗区。在连续收集了四天红外光后，哈勃发现了极其微弱的物体。
Blue light - such as the light from the blue sky - is best for stimulating the circadian system.
蓝色的光——比如来自蓝天的光线——对生物钟的刺激最强烈。
Photo Tip: When the sky is dark, remember to expose for the light and allow the sky to become brooding and powerful.
摄影小贴士：在阴沉的天空下，记住要根据光线进行曝光，让天空变得阴森有力。
Photo Tip: When the sky is dark, remember to expose for the light and allow the sky to become brooding and powerful.
摄影小贴士：在阴沉的天空下，记住要根据光线进行曝光，让天空变得阴森有力。
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