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。
Edison's electric lamp, patented in 1880 was the marketplace's favorite, bringing light to the masses.
爱迪生的电灯在1880年获得专利，成为当时市场上最受欢迎的发明，为大众带来了光明。
When stretched horizontally, the pupils allow for more light to enter from the front, back, and sides.
当瞳孔横向伸展的时候，更多的光能够从前面、后面和侧面进入。
Because of its huge mass, the cluster acts as a cosmic magnifying glass, causing light to bend around it.
由于其巨大的质量，这个星系团相当于一个宇宙放大镜，使光线在它的四周弯曲。
In the length of time it takes for the light to get from that bulb to the table, this machine processes two operations.
在光从灯泡到达桌子所需要的时间内，这台机器进行了两项操作。
Bogs are also flooded with sunshine, so even an inefficient carnivorous plant can photosynthesise enough light to survive.
沼泽也充满阳光，所以即使是低效的食肉植物也能获得足够的光，依靠光合作用生存。
A joke, a compliment, an engaging discussion about the latest film or book – these things add a little light to the lives of those around you.
一个笑话、一场赞美、一场关于最新电影或书籍的热烈讨论——这些东西在你周围的这些生命上增添一丝光亮。
To demonstrate their approach, they added the genes to a bacterium and found that a flask of the bacterial culture produced enough light to read a book by.
为了展示他们的方法，他们给一种细菌添加了这种基因，并发现培养细菌的烧瓶中放出的光足可以在旁边看书。
They hunt at night, and cannot use light to help them find prey and avoid obstacles.
它们在夜间捕食，不能利用光线帮忙找到猎物和躲避障碍物。
Last time we talked about photosynthesis, the process by which plants use light to convert carbon dioxide and water into food.
上次我们讨论了光合作用，即植物利用光将二氧化碳和水转化为食物的过程。
Analysis shows that the dissolved organic material absorbs enough blue wavelengths from solar light to make the ice appear green.
分析表明，溶解的有机物质吸收了足够的来自太阳光线的蓝色波长，使冰看起来是绿色的。
However using light to find one's own way around requires vastly more energy, since the eyes have to detect the tiny fraction of the light that bounces off each part of the scene.
然而，利用光来找到自己的方向极大地需要更多的能量，因为眼睛必须检测从场景的每个部分反射的光的极小部分。
The extension of astronomy from visible light to radio waves to x-rays and gamma rays never failed to lead to the discovery of unusual objects such as radio galaxies, quasars, and pulsars.
从可见光扩展到无线电波，再到X 射线和伽马射线，天文学总是会发现不寻常的物体，如射电星系、类星体和脉冲星。
Most antennas are made in the shape of a dish to collect and reflect the radio waves to the sub reflector, in the same way as a curved mirror focuses visible light to one point.
大多数天线被制成碟形，用以收集和反射无线电波至亚反射器，就像曲面镜将可见光聚焦于一点一样。
Some biologists hypothesize that a plant will stop growing if it's in the shade of another plant, a reaction that's triggered when it senses an unusual ratio of red light to far-red light.
一些生物学家假设，如果一株植物处在另一株植物的荫蔽下，它就会停止生长，当它感知到红光与远红光的不寻常比例时，反应就会触发。
If you must fly, be sure to pack light to cut down the plane's load.
如果你必须坐飞机，一定要轻装上阵，减少飞机的载重。
Together, they can give light to an area of up to 6,400 square kilometers on the Earth for 24 hours.
它们合在一起可以给地球上高达6，400平方公里的区域提供24小时的照明。
Use professional cold light to whiten and treat acheomycin teeth, dental fluorosis, teeth staining.
运用专业冷光美白技术治疗四环素牙、氟斑牙、染色牙。
Type comes in several weights, from extra-light to extra-bold.
每种类型都有几种粗度，从最轻到最重。
Seaweeds and corals, which need light to grow, colonise them.
依靠阳光生长的海藻和珊瑚聚集在沉船上。
Some systems use ultraviolet light to destroy harmful organisms.
某些系统使用紫外线光照来杀灭有害有机物。
However, the distances in space are so vast that it takes more time for light to reach us.
然而，宇宙空间中的距离如此遥远，以致光线到达我们的眼睛需要更多时间。
Human beings "can be a great people," Jor-El says. "They only lack the light to show the way."
“人类可以成为很伟大种族，”乔艾尔说，“他们只是缺少光明的指引。”
The images combine infrared and visible light to increase the contrast between water and land.
这些图片通过结合红外线及可见光来增大水体和陆地的对比。
It revolutionised photography, allowing light to be captured electronically instead of on film.
通过用电子捕获光线成像来替代以往的胶片成像，它彻底革新了摄影技术。
Photographer Phil Schermeister has made an elegant exposure, which allows the light to glow.
摄影师菲尔所做的曝光恰到好处，明暗相得益彰。
The top layer of mirrors is designed to allow a small amount of ambient light to pass through it.
顶层镜子设计成允许少量环境光穿过。
Then the neutrinos wouldn't have to outstrip light to reach their destination in the observed time.
然后，中微子不需要超越光速，在所观察的时间内，就可以达到它们的目的地。
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