Fireflies use their light for attracting mates.
萤火虫用它们的光来吸引配偶。
They affected to ignore her as of an inferior social status to themselves, and she despised their light talk.
他们假装对她不理不睬，认为她的社会地位不如他们，而她又瞧不起他们的轻薄言语。
At this stage, they emit much of their light at ultraviolet wavelengths.
在这个阶段，他们发出的紫外线波长的光了。
They received a shot of genes near their retinal cells to repair their light receptors.
他们接受了视网膜细胞附近的基因注射，以帮助修补他们的光受体。
He turned off their light and made sure their bedroom door was open exactly as wide as they wanted it.
他关掉她们的灯，确保她们卧室的门打开的幅度恰是她们想要的。
Like other fixtures designed to reduce light pollution, the Barcelona street lamps aim their light downward.
和其他的减少光污染的设备一样，巴塞罗那的路灯将尽力他们的光线投向下方。
The German soldiers, completely unprepared for the Russian winter, froze in their light summer uniforms.
对俄国的严寒冬季毫无思想准备的德国士兵身着单薄的夏装，一个个被冻伤。
Some galaxies are already so far away from us, and moving away so quickly, that their light will never reach Earth.
一些星系离我们已如此遥远，其远去的速度又是如此之快，以至于它们发出的光线永远也无法到达地球。
They are particularly effective at night, when their light-reflecting eyes allow them to see better than much of their prey.
尤其是在晚上，其成效显著，因为它们反光的眼睛能使它们比大多数猎物看的更加清楚。
You will be far more receptive to their thoughts when you resonate in harmony with their light vibrations if you are closer to light frequencies.
如果你更接近光的频率，当你在和谐一致的状态与他们的光的振动频率相互共振，你将更加容易接收到他们的想法。
The rescued workers were wrapped in blankets at the scene and some of them had their light-sensitive eyes covered as they were rushed to ambulances.
在电视画面中我们可以看到，这些被抬上急救车的工人们身上包裹着厚被；为防止亮光对眼睛的突然刺激，一些工人蒙着眼罩。
Their design tends to be clunky and they account for a massive chunk of city power bills, even though much of the time their light falls on empty streets.
他们的设计笨重，而且是城市能源开支的大头——尽管大部分路灯都照着空荡荡的街道。
For the stars of heaven and the constellations thereof shall not give their light: the sun shall be darkened in his going forth, and the moon shall not cause her light to shine.
天上得众星群宿，都不发光。日头一出，就变黑暗，月亮也不放光。
Their light weight, low cost, and water resistance3 make them so convenient for carrying groceries, clothing, and other daily purchases that it's hard to imagine life without them.
它重量轻，成本低，还防水，这些优点使它们便于携带杂货、衣服，以及其他日常商品，很难想象没有它们的生活会是什么样子。
The only way to counteract this is by aiming lots of widespread radio telescopes at the same thing and combining their light -- gather a lot more pixels, in other words -- to sharpen the image.
解决这个问题的唯一方法，就是将大量广泛分布射电望远镜瞄准统一目标，再将它们接收的光波混合（也就是说收集更多的像素），以使呈像清晰。
They will also be able to see the first stars and galaxies that formed in the universe, which are now so old and distant that their light has been relegated to the infra-red part of the spectrum.
他们也能够看到宇宙中行成的第一个恒星和星云-这些恒星和星云古老而又遥远，它们发出的光已经被归入红外光谱。
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。
Their retinal cells are also not excessively sensitive to red components of moderately bright light.
它们的视网膜细胞对中等亮度光线中的红色成分也不太敏感。
Other species take into account the changing conditions of light by performing their visual displays only when the light is favorable.
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。
The team found that these fish horizontal cells are thousands of times less light sensitive than their partner cone cells.
研究小组发现这些鱼的水平细胞对光线的敏感度比它们的同伴锥细胞弱数千倍。
Horseshoe crabs kept in the dark continuously for a year were found to maintain a persistent rhythm of brain activity that similarly adapts their eyes on a daily schedule for bright or for weak light.
人们发现，连续一年被关在黑暗的环境中的鲎仍然可以保持稳定的大脑活动节奏，这种稳定的节奏也使得它们的眼睛适应每日或明或暗的光线。
The founders deliberately focused their projects around light—hence the 'visual studies' in the name.
创始人特意将项目的重点围绕在光上——这也是其名称中“视觉研究”的由来。
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.
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。
Van Oosten calls those chemicals "sunscreens" because their goal was to prevent further light damage and rebuild worn polymer fibers.
范·奥斯坦称那些化学物质为“防晒霜”，用来防止更严重的光损伤，并帮助重建受损的聚合物纤维。
Do these trees have other means at their disposal to prevent overexposure to light in autumn?
有没有其他方法来防止这些树在秋天过度暴露在阳光下？
He points out that both Hong Kong and Zurich have managed to make a success of their rail systems, heavy and light respectively, though there are few cities in the world as hilly.
他指出，尽管世界上很少有城市像香港和苏黎世那样多山，但香港和苏黎世都成功地建设了各自的轻铁和重铁系统。
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