An image in which the light areas of the object rendered appear dark and the dark areas appear light.
底片像：一种映像，在里面物体的有光的部分显示出暗色，而阴暗的部位显示出光亮。
An image in which the light areas of the object rendered appear dark and the dark areas appear light.
底片像一种映像，在里面物体的有光的部分显示出暗色，而阴暗的部位显示出光亮。
Colorific weight feeling basically depends on lightness, lightness is tall person appear light, lightness is low person appear heavy.
色彩的重量感主要取决于明度，明度高者显得轻，明度低者显得重。
Light-loving species are always among the first invaders, while shade-tolerant species appear later in the succession.
在这个演替过程中，喜阳植物总是第一批“侵入者”，而那些喜阴植物紧随其后出现。
Analysis shows that the dissolved organic material absorbs enough blue wavelengths from solar light to make the ice appear green.
分析表明，溶解的有机物质吸收了足够的来自太阳光线的蓝色波长，使冰看起来是绿色的。
But if a doctor were to put an ultrasound to the mother's abdomen a flickering light would appear.
但如果医生将超声波放在妈妈的腹部，就可以看到闪烁的光线谱跳跃在屏幕上。
The light bounces off the structures so that the scales appear to us as a shimmering green.
光从这种结构上反射回来，在我们看来，鳞片就是发着微光的绿色。
If a large object passes in front of a more distant background star, it may act as a lens, bending and distorting the light of that star so that it may appear to brighten significantly.
如果一个体积足够大的星体从一个距离很远的恒星前面经过，那么会产生透镜效果，使那个恒星的光线产生弯曲或变形，这样就能很清楚的看到这个星体。
When you are short-sighted, your eyes focus well only on close objects, while more distant objects appear blurred. This is because light rays focus in front of the retina.
近视是指一个人对近距离的物体比较容易看清而远处的物体看不清楚的现象，它的产生是由于光线的聚焦点落在了视网膜之前。
When sunlight hits water at the same Angle as a satellite's view, smooth areas reflect light like mirrored surfaces while rough regions scatter light and appear darker.
当阳光从卫星拍照的角度照射到水面上时，平滑的水面像镜面一样反射光线，而不平的水面则会散射光线，看上去是黑暗的。
Older dental bonds would only reflect light, making teeth appear shiny and fake.
老式的物料可能仅仅反射光线，让牙齿看起来显得贼亮可是显得很假。
LEDs also have problems with light color-their whites appear too bluish and thereby render other colors poorly compared to traditional bulbs.
LED的光色也不尽如人意。由于它的白光偏蓝，其他的颜色也比传统灯泡逊色不少。
Redshift refers to what happens when light seen coming from an object is proportionally shifted to appear more red.
红移是指当一个天体发出的光线看起来成比例地更偏向红色。
He explains how the colors always appear in the same order because of how light refracts and reflects in the water droplets.
他解释了为什么颜色总是同样序列，因为光线折射以及水滴的反射。
By measuring changes in the light reflected from the clouds, they found that the clouds appear to wax and wane in prevalence over a 27-day cycle.
通过测量夜光云反射的光的变化，他们发现夜光云从盛到衰的周期大约为27天。
This means that light from a star that Kepler is examining is sometimes "polluted" by light from other stars that appear near to it in the sky.
原因是有时开普勒观察到的来自恒星的光会被其它邻近恒星所发出的光给误导。
In light of the doubts about the feasibility of the land-lease approach, the course chosen by Qatar's Hassad would appear to have much to recommend it.
鉴于人们对租地方案可行性所持的怀疑态度，卡塔尔Hassad选择的新方案似乎有很多可取之处。
If we use ray optic techniques where light travels in beams - photons break down at close range and the object does not appear invisible.
为此我们需要将光分解为数个波的形式，目前还不清楚当光源靠近物体时，光子是否能分解并形成新的波，如果使用光线技术，光子在近距离破坏，物体无法实现隐形。
In this photograph, light reflecting off the surface of the water—a phenomenon astronauts call sunglint—makes the lake appear to glow.
在水面反射阳光的作用下，纳赛尔湖看上去烁烁发光，这种现象就是宇航员所说的“太阳反辉区”。
Moments captured in time that make it appear that everyone is always smiling, the light is always just right, and someone is always learning a lesson or making a memory to last a lifetime.
及时地捕捉那些瞬间，让它呈现：每个人总是微笑的，光亮总是恰到好处，有些人总会汲取到教训，或者一辈子都记得那段回忆。
WHEN companies want to emphasise a turnaround in their prospects they paint the past in a dark light so that the future can only appear brighter.
当公司想强调经营有望好转时，就将过去描述成一片黑暗，这样未来就不管怎样都是更加光明的。
For a rubber ball, you could use a black or red specular light instead of white which would make the ball appear less shiny.
而对于橡皮球，你可以使用黑色或者红色反射光代替白色以使得球看上去不那么闪。
But using optical equipment that can polarize light, those scales appear bright blue.
但是如果使用分光设备，这些鳞片看起来就是明亮的蓝色。
In infrared light, shorter wavelengths look blue, and longer wavelengths appear red.
红外光下，较短的波长会程现蓝色，而较长的波长则程现红色。
For the crew of a spacecraft ramping up to light speed, interstellar space would appear highly compressed, thereby increasing the number of hydrogen atoms hitting the craft.
对宇宙飞船的船员来说，速度升高到光速，宇宙空间将被高度压缩，因此增加了撞击飞船的氢原子数量。
With the use of blue light, the fluorescein defect of a corneal abrasion may be more pronounced and will appear yellow-green (shown).
使用钴蓝光进行观察，角膜擦伤的荧光素染色缺损处会变得更加明显并呈现出黄-绿色（如图所示）。
For someone standing outside watching the ship fly by, the headlights do not appear to turn on: light comes out but it takes an eternity for the beams to get ahead of the spaceship.
可是对站在飞船之外、正在观看飞船运行的人们来说，这个车头灯并没有点亮：车头灯所发出的光到达观察者需要无穷大的时间，因为要求车头灯所发出的光束的速度超过以光速运行的飞船是不可能的。
When you see just one frequency of light, it is disturbing and the eye tries to accommodate itself to the experience and in the process, different tones appear that do not exist in the place.
若你只看到光的某一频率，你会感到恍惚，然后眼睛会努力适应这一体验，而在这一过程中，不同的色调就会产生。
The cruelest insult, on the contrary, which can be offered to the unfortunate, is to appear to make light of their calamities.
反过来说，对不幸者最大的侮辱似乎是不幸的境遇遭到轻视。
The cruelest insult, on the contrary, which can be offered to the unfortunate, is to appear to make light of their calamities.
反过来说，对不幸者最大的侮辱似乎是不幸的境遇遭到轻视。
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