Rogers found that a chick's lateralisation depends on whether it is exposed to light before hatching from its egg—if it is kept in the dark during this period, neither hemisphere becomes dominant.
罗杰斯发现，小鸡的偏侧性取决于它在孵出蛋之前是否暴露在阳光下——如果在这段时间里保持黑暗，右脑或左脑都不会占优势。
I had to feel about in the dark for the light switch.
我得在黑暗中摸索寻找电灯开关。
Paris, the city of light, may also show its dark side to visitors.
巴黎，这座光明之城，也会向游客展露出它的阴暗面。
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。
Turn on the light because it is too dark to see.
太暗了看不见，把电灯打开。
Her hair floats like a banner in the breeze and in the early morning light she seems to glow against a background of dark trees.
她的头发像在微风中的旗帜一样飘动，在清晨的晨光中，她似乎在黑暗树木的映衬下闪闪发光。
The sky must be very dark for a moonbow to be watched clearly—any bright light can obscure it.
要想清楚地观察到月虹，天空必须非常黑暗——任何明亮的光线都可能使它模糊。
Those in the dark are in no position to light the way for others.; Persons in the dark cannot light the way for others.
以其昏昏， 使人昭昭是不行的。
To make sure that the cameras are accurately recording small changes in reflected light, engineers look for a bright light against a dark background to provide a reference point.
为了确保相机准确地记录来自反射光的细微变化，工程师寻找暗背景上的亮光，来提供一个参照点。
When people suffer from a migraine, they often retire to a cave-like dark room. But exactly why does bright light hurt the migraine sufferer?
偏头痛的时候，人们总是会缩在洞穴一般的小黑屋里，可到底为什么明亮的光线会让偏头痛者感到难受呢？
Problems grow in the dark and become bigger and bigger, but when exposed to the light of truth, they shrink.
难题在暗处会变大，但在真理的光照下，它便缩小。
The first consideration is contrast: links have to be dark (or light) enough to contrast with the background color.
第一要义就是差异(对比)：链接要足够暗(或者亮)以和背景色相对照。
The self of the self within each banters to make light of the dark and find their way out of their plight.
每个人真我的核心都在欢唱从黑暗中找寻光明，尝试找寻适合他们前进的方式，以此离开现有的困境。
Her hair floats like a banner in the breeze and in the earlymorning light she seems to glow against a background of dark trees.
他的头发在微风的吹拂下想旗帜一样漂浮，在晨光中她在一片的黑暗树木的映衬下仿佛在发光。
Water color in the image changes from light blue along the coastline-indicating shallow water-to the dark blue of deeper water away from the island.
在图中沿海岸线附近的海水呈现明亮的浅蓝色——这里是浅水区，到了离岛较远水深更深的地方，海水则变成了深蓝色。
Using X-ray techniques, a team "unpeeled" the layers of the famous painting to see how the Italian master achieved his barely perceptible graduation of tones from light to dark.
一个研究小组通过利用X射线技术“逐层剥开”了这副名画，以探索这位意大利大师是怎样使其肤色明暗之间的梯度几乎让人无法察觉的。
The light touched to russet the rings of dark hair escaping from her braids, and made her pale face paler.
亮光使她发辫上散逸出的浅黑色发鬈变成了黄褐色，并使她苍白的脸色更加苍白。
Soon after the upgrades, Hubble took aim at a dark patch of sky, gathering infrared light for a total of four days to detect the very faintest objects.
更新后不久，哈勃便把目标锁定太空的一处黑暗区。在连续收集了四天红外光后，哈勃发现了极其微弱的物体。
Yet as scientists begin to climb out of the dark foothills and into the dim light, they are now poised to alter the understanding of human nature in ways artists and writers have not.
然而科学家已经开始爬出黑暗的山脚，走进光明；他们正在改变艺术家和作家从来没有过的对人类本质的认识。
Some of the aesthetic flourishes Apple is best known for may be hard to duplicate, meanwhile, such as backlit keyboards that light up in the dark.
有些审美主义者声称，苹果最出名的就是它的设计，而苹果的设计是很难复制的，比如它的背光式键盘。
Jean Valjean could glide along close to the houses on the dark side, and yet keep watch on the light side.
冉阿让可以隐在阴暗的一边，顺着房屋和墙壁朝前走，同时窥伺着明亮的一面。
Obey even when he asks you to move in the dark. He Himself will be gloriously light in you.
就是神要你在暗中前进，你也愿意顺服；因为神自己是你里面荣耀的光辉。
Fields and pastures are light green, in contrast to dark green forest that covers the high-elevation ridges.
农田和牧场为浅绿色部分；而森林覆盖着海拔较高的山脊，这些地方是深绿色的。
Photo Tip: When the sky is dark, remember to expose for the light and allow the sky to become brooding and powerful.
摄影小贴士：在阴沉的天空下，记住要根据光线进行曝光，让天空变得阴森有力。
To appreciate the flavors of each type of fish, start with mild, light-colored varieties before progressing to fattier, bolder-tasting dark fish.
为了品尝每一种鱼的味道，从颜色浅味道温和的品种开始吃，渐渐过渡到脂肪含量更高味道更重的深色鱼类。
So, avoiding sleeping with a night-light, not falling asleep with the bedroom TV on all night long, and perhaps using dark curtains to block out street light might be a good idea.
因此，避免晚上开着夜灯睡觉，避免晚上开着电视睡觉，另外，用一个黑色窗帘来阻挡路灯的灯光是个好办法。
It's best to avoid running in the dark but, if you have to run at night, wear reflective gear and light-colored clothing. Dress in bright colors if you're running in the snow.
最好不要在晚上跑步，但是如果非要在夜里跑步的话，穿上浅色的衣物和反光的装备，雪地里跑步时穿亮色的衣物。
I could ask the darkness to hide me or the light around me to turn into night, but even darkness is not dark for You, and the night is as bright as the day.
我若说：“黑暗必定遮蔽我，我周围的亮光必成为黑夜”，黑暗也不能遮蔽我使你不见，黑夜却如白昼发亮。
The body responds to light, and it is much easier to sleep in a completely dark room.
身体对光是有感觉的，而在一个全黑的房间里入睡会更方便。
The body responds to light, and it is much easier to sleep in a completely dark room.
身体对光是有感觉的，而在一个全黑的房间里入睡会更方便。
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