A sensor channels the light signal along an optical fibre.
传感器沿光导纤维输送光信号。
An animal can hide from predators by choosing the light environment in which its pattern is least visible.
动物可以通过选择一个光线最不明显的环境来躲避捕食者。
Bats have an engineering problem: how to find their way and find their prey in the absence of light.
蝙蝠们遇到了一个技术上的难题：如何在没有光线的条件下认路和捕食。
What starts as an everyday squash turns into a lantern of light.
一个平平常常的南瓜变成了一个充满光亮的灯笼。
Their paintings were light and a bit fuzzy they gave an impression of what the real world looked like.
他们的画很轻，有点模糊，给人一种真实世界的印象。
The key development lies in the ability of the sphere, an optical device, not only to remain invisible itself but to slow light.
关键在于光纤球功能的开发，一种光学设备，不仅要保持自身的不可见性，还要能减缓光线。
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。
In this, he synthesized all his tricks from Drury Lane: mechanical motions, sound, light, other special effects to create, if you will, an early multimedia production.
在这部作品中，他综合了德鲁里巷中用到的所有技巧——包括机械运动、音效、灯光，以及其他特效，（可以说是）创作了一部早期的多媒体作品。
He depicted the town's respectable families in an unflattering light.
他未用任何修饰地描述了小镇上受人敬重的家庭。
The whole fixture must be replaced—light source and luminaire—and this is never an inexpensive proposition.
整个装置——光源和灯具——必须换掉，而这一提议绝不便宜。
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。
You don't need a light switch or a light bulb or an iPhone app to turn something on or off.
你不需要电灯开关、灯泡或苹果手机应用程序来打开或关闭某些东西。
Even a fifteen-minute burst of light in otherwise sustained darkness can reset an animal's circadian rhythm.
即使是15分钟的猝发光（其它地方是持续的黑暗环境）也可以使动物重新设定生理节奏。
In Hungary, as in much of Eastern Europe, an overwhelming proportion of women work, many of which are in middle management and light industry.
在匈牙利，和许多东欧国家一样，绝大多数妇女从事工作，其中许多人从事中级管理和轻工业工作。
The Soviet scientist made his experiments with a bad light, on wooden tables, using an old vacuum cleaner instead of a compressor.
这位苏联科学家在木桌上，借着糟糕的灯光做实验，用的是旧吸尘器而不是压缩机。
When the light was lit again, Sebastian noticed that John was deadly pale and trembling like an aspen leaf.
当灯光再次亮起时，塞巴斯蒂安注意到约翰脸色像死一般惨白，像一片白杨树的叶子一样在颤抖。
The lamp takes energy from a plant growing in a wooden box and uses it to light up an LED light bulb.
这种灯从生长在一个木箱里的植物中获取能量，然后用它来点亮一个LED灯泡。
The light of an electric lamp comes from an incandescent filament.
电灯光亮来自白炽灯丝。
Light was a something that both artists and scientists had an interest in, and therefore could form the basis of collaboration.
光是艺术家和科学家都感兴趣的东西，因此可以形成合作的基础。
They've used ultraviolet light and some other techniques, and if you're interested in that sort of thing, you can learn more about it in an art conservation class.
他们使用了紫外线和其他一些技术，如果你对这类东西感兴趣，你可以在艺术保护课上了解更多。
Just five one-hundredths of an inch thick, light golden in color and with a perfect "saddle curl," the Lay's potato chip seems an unlikely weapon for global domination.
乐事薯片只有五百分之一英寸厚，浅金黄色，有完美的“马鞍卷”形状，似乎不太可能成为“统治全球的武器”。
In the purply light of dusk the town looked peaceful and happy—enchanting even—and there was an engaging air of expectancy, of fun about to happen.
在紫红色的暮色中，这座城镇显得宁静幸福，甚至是迷人的，空气中萦绕着一种期待的迷人气氛，一种即将要发生的有趣气氛。
Every morning now she turns on a specially constructed light box for half an hour and sits in front of it to trick her brain into thinking it's still enjoying those long summer days.
现在她每天早上都会打开一个特制的灯箱半小时，坐在前面，让自己的大脑以为它还在享受漫长的夏日。
Very rarely will an Englishman try to anticipate the green light by moving off prematurely.
很少有英国人会试图提前离开，以预测绿灯的到来。
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。
Lightning is a brilliant flash of light produced by an electrical discharge from a storm cloud.
闪电是一种因为暴风云放电而产生的一种明亮闪光。
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。
At the last crossing, while I was waiting for the green light, I saw an old man walking toward me.
当我在最后一个十字路口等绿灯时，我看见一个老人朝我走来。
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