你的双臂和双腿需要保护，免受玻璃反射光的照射。
Your arms and legs need protection from light bouncing off glass.
这是由于光的衍射造成的。
上方没有自然光的多层建筑需要更多的照明。
A multi-storey facility with no natural overhead light would require far more.
透明生物使用不同的技巧以对抗光的散射作用。
Transparent animals use different tricks to fight scattering.
当天黑时，我们可能会在没有光的情况下撞到东西。
When it's dark, we may bump into things without the help of light.
在一棵其它叶子都掉光的树顶上，还有两片挂在一根细枝上：奥立和特鲁法。
On the tip of a tree which had lost all its other leaves, two still remained hanging from one twig: Ole and Trufa.
所有形式的物质，都可以根据它们吸收的光的波长以及反射的光的波长来区分。
All substances, all forms of matter, can be distinguished according to what wavelength of light they absorb and which ones they reflect.
人和货物通过喷气式飞机和快船来流动，而信息是通过互联网以光的速度传送。
Today people and goods travel by jet aircraft and fast ships, and information is transmitted at the speed of light over the Internet.
其他物种只在光线适宜时才会展示它们的视觉形象，以此来考虑光的变化情况。
Other species take into account the changing conditions of light by performing their visual displays only when the light is favorable.
杠杆和光的设置完全一样，只不过这次只有多莉丝能看到先按哪个杠杆的灯的指示。
The levers and light were set up in exactly the same way except that this time it was only Doris who could see the light indicating which lever to press first.
《拍卖第四十九批》里的奥狄芭·马斯会坐在悬崖上，俯瞰纳西索，她会向下看各式光的图案。
Oedipa Maas in Crying of Lot 49 will sit upon a bluff overlooking San Narciso, and she'll look down at the pattern of light.
当你分析这些光的时候，你可以计算出它们与地球的距离，并确定它们由什么构成，查明它们的化学成分。
When you analyze this light, you can figure out their distance from the Earth, and identify what they are made of, determine their chemical composition.
甚至更糟糕的话，它还会把人变成没有意识且怕光的怪物，而幸存者变得没人能交谈，只能和宠物狗及人偶说话。
Even worse, it could also turn people into brainless, sunlight-averse monsters, leaving survivors no one to talk to but dogs and mannequins.
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。
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.
除非有廉价可再生能源，否则制造足够光的成本可能会高得令人望而却步，而这似乎只是未来的愿望而非近期能实现的。
Generating enough light could be prohibitively expensive, unless cheap, renewable energy is available, and this appears to be rather a future aspiration than a likelihood for the near future.
我相信，你们在物理课上都学过光是如何以微观的方式运动的，以及只有在光的波长在特定的范围内时我们才能看到光这一事实。
I am sure you all know from physics class about how light moves in microscopic ways and that we can only see light when the wavelength of that light is in a specific range.
这听起来很矛盾，因为这一假设背后的理念是，树叶在秋天产生的红色素是用于保护叶绿素这种吸收光的化学物质，以免它吸收过多的光。
It sounds paradoxical, because the idea behind this hypothesis is that the red pigment is made in autumn leaves to protect chlorophyll, the light-absorbing chemical, from too much light.
你可以看见另一冰晶体光的现象图片，太阳狗。
You can see a picture of another ice-crystal light phenomenon, a sun dog.
我将这次探索的结果称为日光图，在于借着光的作用自发再现。
The discovery I have made and which I call Heliography, consists in reproducing spontaneously, by the action of light.
光的行为好象它是由粒子组成的。
他们可以观察月亮反射的光的光谱。
They could look at the spectra of the light the moons reflected.
有光的地方就无影，反之亦然。
Where light is - there is no place for shadow and vice versa.
油要保持避免光的直接照射！
在这两种情况下，光的来源都是太阳。
于是巴兰上一净光的高处。
照过X光的祈祷者捕获了一个灰色盘子。
激发能改变每个分子吸收和发射光的方式。
The excitation energy changes the way each molecule absorbs and emits light.
分析：黑洞与光的结合。
分析：黑洞与光的结合。
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