The rise of racism concerns Sikhs because they are such a visible minority.
种族主义的抬头使锡克教徒很担心，因为他们是如此明显的一个少数民族。
To a consumer, the most visible form of e-commerce consists of online ordering.
对于一位消费者来说，电子商务最明显的形式就是网上订购。
They say NATO should conduct more visible exercises to rehearse the response to threats at home.
他们说，北约应该举行更加显著可见的演习，来排练对国内所受威胁的反应。
Whatever product you use should emit only visible light, because ultraviolet light damages the eyes.
不管你用什么产品，都应该只发出可见光，因为紫外线会伤害眼睛。
In optical astronomy, using a telescope and observing the stars that way, we rely on visible light waves.
在光学天文学中，在用望远镜观察恒星时，我们依靠的是可见光波。
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。
And on top of that, when that visible radiation bounces off those molecules, it scatters in all directions.
除此以外，当可见光波从这些分子上反射出去时，它会向四面八方扩散。
Asynchronous sound effects, on the other hand, are not matched with a visible source of the sound on screen.
另一方面，异步音效与屏幕上的可见声源不匹配。
This highly visible hue is found on everything from bumblebees to school buses, traffic signs to highlighters.
从大黄蜂到校车，从交通信号到标记笔，这种高度可见的色调随处可见。
Radio wavelengths are much longer than those of visible light, and the radio waves from deep space are always weak.
无线电波的波长比可见光长得多，而且来自深空的无线电波总是很弱。
Even a tiny mass means that neutrinos would outweigh all the universe's visible matter, because of their vast numbers.
因为数量巨大，即使是很小的质量也意味着中微子会超过宇宙中所有可见的物质。
The light that we see with our human eyes as a band of rainbow color falls in the range of what's called visible light.
我们用肉眼看到的彩虹色的光属于可见光。
Perceptions of the visible world were greatly altered by the invention of photography in the middle of the nineteenth century.
在19世纪中叶，摄影术的发明极大地改变了人们对可见世界的感知。
There are few known fossil specimens of these ancient snakes and only three in which the hind limbs are preserved and visible.
这些古老蛇类的化石标本非常稀少，仅有的三个标本的后肢保存完好并可见。
Poverty is not prevalent in most cities although, perhaps because of the crowded conditions in certain areas, it is more visible there.
贫穷在大多数城市并不普遍，但也许由于某些地区的拥挤状况，贫穷在那里更为明显。
As the Indian economist Amartya Sen has wisely said, "The invisible hand of the market has often relied heavily on the visible hand of government."
正如印度经济学家阿玛蒂亚·森明智地说：“市场的看不见的手往往严重依赖于政府的看得见的手。”
Astronomers must infer the existence of black holes, which are invisible, from their gravitational influence on the visible bodies surrounding them.
天文学家必须从黑洞对周围可见天体的引力影响推断出不可见的黑洞的存在。
Visible light consists of different colors or wavelengths, which together make up what's called spectrum, a band of colors, like you see in a rainbow.
可见光由不同的颜色或波长组成，它们共同组成了所谓的光谱（一段颜色），就像你在彩虹中看到的那样。
The Winter Hexagon involves some of the brightest stars visible, forming a large and easily found pattern in the winter sky of Earth's northern hemisphere.
冬季六边形包括一些可见的最亮的恒星，它们在地球北半球的冬季天空中形成了一个大而容易辨认的图案。
Unlike visible light waves, these radio waves can get through the various gases and dusts in space, and through our own earth's atmosphere comparatively easily.
与可见光波不同的是，这些无线电波可以较容易地穿过太空中的各种气体和灰尘，穿过我们地球的大气层。
They had no visible means of subsistence.
他们生计无着。
Microscopic fibres of protein were visible.
极为精密的蛋白质纤维是能被看见的。
The May-fly was visible no more.
那只蜉蝣也看不见了。
These changes were gradual and at first scarcely visible.
这些变化是循序渐进的，起初几乎看不出来。
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