The use of light and dark symbolizes good and evil.
用光明与黑暗来象征善与恶。
It was getting dark so I switched on the light and drew the curtains.
天快黑了，我打开灯，拉上了窗帘。
Research suggests that babies learn to see by distinguishing between areas of light and dark.
研究显示婴儿是通过区分明亮区域和黑暗区域来学会观看的。
Who wants light cheese, and who wants dark cheese?
谁想要浅色奶酪，谁想要深色奶酪？
The dusk light was failing and the interior of the pickup was dark but she knew the occupant was staring at her.
黄昏的光线逐渐暗淡下来，皮卡内黑漆漆的，但她知道占有者一直在盯着她。
If the venue of your presentation is not adequately light-proof, select a dark-colored background and use any light color for text.
如果演示的地点不具备足够的防光性，请选择深色背景，并为文本使用任何浅色。
A tall girl, with light hair and rosy face, was leaning on Heidi, whose dark eyes sparkled with keen delight.
那是一个高个子的金发女孩，红扑扑的脸，倚在海蒂身上，她的黑眼睛里闪烁着深深的喜悦。
Here we have a photo with light and mid tones but no dark tone.
这里我们有一张有浅色调和中色调的照片，但是没有暗色调的。
Living alone was conceived to be negative—dark and cold—while being together suggested warmth and light.
独自生活被认为是负面的——黑暗寒冷——而与人一起则意味着温暖和光明。
We've all got both light and dark inside us.
我们每个人的内心都有光明和黑暗两面。
Sometimes it was dark and sometimes light, and now they were very cold and again too warm.
有时天很黑，有时又很亮，现在他们又冷又热。
It was dark at the time, and the traffic was light.
当时天色阴暗，路上的车辆很少。
The visual system detects patterns of light and dark and, building on experience, the brain creates a spatial map.
视觉系统可以探测到光亮和昏暗的模式，并且根据经验，大脑会创建一幅空间地图。
The world is full of yin and yang: dark and light, soft and hard, female and male.
世界充满了阴阳：暗与亮、软与硬、女性与男性。
In an old building in Peking University, a yellow light shone into the old and dark hours of the night.
在北京大学一栋老建筑里，一盏黄色的灯照亮了古老而黑暗的夜晚。
Now we have mid tones but no light and dark tones.
现在我们有中色调但是没有浅色调和暗色调。
We're in between absolute day and absolute night, light and dark.
我们处在绝对的日与绝对的夜之间，光与暗。
The returning light beams merge together at the beam splitter and create an interference pattern of light and dark regions where the light waves either cancel out or reinforce each other.
返回的两束光在分束器处汇合，产生由亮区和暗区组成的干涉图案，图案中，光波要么相互抵消要么相互增强。
So pick an image with simpler patterns, and lots of contrasting light and dark areas.
所以你可以选择模式简单，但是有较多明暗对比区域的图片。
For example, an edge might be a contrast between values (the difference between light and dark), colors, textures, or even rhythms (repetition of imagery), without the use of line at all.
例如，边可能是属性值(明暗差异)、颜色、纹理乃至规律(图像反复)的对比，完全与线无关。
On day one, light and dark are separated.
在第一天，光明与黑暗分界。
One group was totally blind. The other group was legally blind but could still make out light and dark.
研究人员拿两组盲人偏头痛者作对比，一组完全失明，另一组法定失明，但还分辨得出光和暗。
The star system, located only 400 light years away, is distinguished by its colorful surroundings, which include a red emission nebula and numerous light and dark brown dust lanes.
这个恒星系统在400光年远处，以多彩的环绕物质而著名，包括一个红色发射星云和众多深棕、浅棕色的尘带。
You are all working on the completion of a cycle of lives that has been dominated by an inner struggle between light and dark, between self-awareness and the illusions of power, fear and ignorance.
你们都在为了一个生命周期的完成而努力，这个周期被光明与黑暗之间，自觉与权利、恐惧、无知的幻象之间的内在斗争所主宰着。
Behind the colorful somata in the foreground, a pattern of light and dark in the background suggests anatomical distinctions.
多彩的神经元密质部分位于前景，背景上的明暗模式表明了结构上的差别。
So researchers took two groups of blind migraine sufferers. One group was totally blind. The other group was legally blind but could still make out light and dark.
研究人员拿两组盲人偏头痛者作对比，一组完全失明，另一组法定失明，但还分辨得出光和暗。
Light and dark areas within an image provide contrast that can suggest volume.
一个图像的明暗区域形成对比，这种对比使图像具有体积感。
The default theme has received some attention since last release and comes in light and dark versions.
自从上一版本释出后，默认的主题去年以来极受关注。
The apartment's most dramatic element is also its newest: a wall stretching from the kitchen to the balcony, covered in planks of light and dark pine.
公寓中最具戏剧性，也是最新的元素是：一面黑松木板墙从厨房延伸到阳台。
The spotlight, on the other hand, produces a sharp change between light and dark, where the cone of the spot ends.
另外，聚光在聚光圆锥的边缘处制造了强烈的明暗对比。
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