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。
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。
She also uses visible light to find unnatural colors that might make the plastics stand out.
她也利用可见光找到不自然的颜色。这种颜色令塑料变得突出。
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。
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。
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。
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。
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。
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。
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。
Each embraces New York with the intense excitement of first love, each absorbs New York with the fresh eyes of an adventurer, each generates heat and light to dwarf the Consolidated Edison Company.
每个人都以初恋般的强烈兴奋拥抱纽约，每个人都以冒险家的新鲜目光看着纽约，每个人都产生热量和光，使合并后的爱迪生公司相形见绌。
What this country is doing in Africa is as much as holding a light to the devil.
这个国家在非洲的行动无异于助桀为虐。
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。
BIG PIC: Glowing Snail Uses Light to Fight Off foes.
大图：发光的蜗牛利用光同敌人战斗。
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。
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。
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。
Emissive light: an object can send out light to imitate glowing objects.
放射光：一个像炽热的物体那样发射光线的对象。
At this time of day you need to filter out the red light to take a good photo.
在一天的这个时候，你需要过滤掉红光才能把相照好。
Again, use a book light; don't turn on the overhead or a bright bedside light to write.
再一次，用一台读书灯；不要打开顶灯或旁边的光线很强的灯。
Normally a diaphragm so thin would be transparent, allowing the laser's light to escape.
一般说来，如此超薄得振动膜应该是透明的，可允许激光束穿过。
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