When stretched horizontally, the pupils allow for more light to enter from the front, back, and sides.
当瞳孔横向伸展的时候，更多的光能够从前面、后面和侧面进入。
A cataract is a painless, cloudy area in the lens of the eye that blocks the passage of light to the retina, the nerve layer at the back of the eye, usually causing vision problems.
白内障是指眼内晶状体的无痛性浑浊阻碍了光线到达视网膜(眼球后部的神经层)，从而引起视力问题。
It's the sun's light that bathes the Earth and then gets sent back towards space as heat.
太阳发出的光线普照地球，然后以热的形式向太空散回。
When injected behind the retina at the back of the eye, the gene produces a protein that is sensitive to red light.
当这种基因被注射到位于眼睛后部的视网膜后面时，会生成一种能感应红色光的蛋白质。
When she plugs the cable back in, the link light does not come back on suggesting that this is a dead port.
当她将电缆插回去时，链路灯还是不亮，这意味着这是一个死端口。
But as the price of fuel declined in the 1980s, American consumption habits turned back toward big cars and light trucks.
但是，随着燃料价格在20世纪80年代的下降，美国的消费偏好又回到了大型轿车和轻型卡车上。
It has a lens system to focus light onto the film at the back of the camera.
它的镜片系统可以将光线聚焦到相机后部的胶片上。
White is another roof colour used to fight both the urban heat island effect and global warming in general, by simply reflecting light back into space.
白色可以直接把光反射到空中，也通常是一种被用来对付城市热岛效应和全球变暖的屋顶颜色。
This means longer wavelengths of light are absorbed by the dark back of the eye, while the shorter wavelengths are scattered.
这意味着黑色素吸收更长波长的光线，较短波长的光线则被散射。
If you have glasses you know that optically focus has to do with bringing the light to a focal point in the back of your eye.
如果您戴眼镜，您就会知道，从光学的层面理解，焦点的意思是，将光线汇聚到您眼底的一点上。
Should Congress approve, such measures could light the path back to work for many jobless Americans.
如果国会也能批准这样的举措，就会为美国失业大军重回就业市场的艰辛之路带来曙光。
The devices, which register depth and light every second, were taped to the lower back, so that they caused the least amount of drag.
这种可以每秒钟记录深度和光线的装置被固定在企鹅的背上，以将阻力减到最小。
Though modern jockeys are diminutive in size and this gives them an advantage of being light on a horses back, the meaning of “little man” was more along the lines of “commoner” or “underling.”
虽然现代的骑师通常都身材矮小，那将使他们在马背上更加轻盈，但“littleman”的含义更类似于“平民”或“下属”。
Finally, the white side of the 5-on-1 reflector set bounced light from the strobe back up under her hat and added a little bit of a beauty look to the headshot below.
最后我是用5合1反光板的白色反光板，将部分闪光灯的光反射到Sharon的帽子上，使她的头像照看起来更漂亮。
As the boat drifts back to sea, the retreating pinpricks of light along the shore resemble isolated outposts somewhere close to the end of the earth.
当船漂回大海时，沿岸倒退的针孔般的光点看似靠近地球尽头的孤立的前哨。
Both the front and back walls were a series of sliding glass doors, which, along with skylights in the bedroom and bathroom, guaranteed lots of light.
前面和后面的墙壁都是由一系列可滑动的玻璃门构成的，再加上卧室以及浴室都装着天窗，因而可以确保明亮的采光。
After checking out her images, she asked to go back in the set and do it again which was so great for me! I like the way the light worked with her movement, too.
在她查看照片之后，她要求再一次回到影棚，再一次进行拍摄，这样对我来说实在是太棒了，我也非常喜欢拍摄她的动作照片。
Back light is the light symbolizing wisdom of the Buddha and Bodhisattva. This kind of mysterious light is able to shine all alike without obstacles.
背光是象征佛、菩萨智慧之光，这种神秘的光可以普照一切而无所障碍。
The result of theoretical analysis and simulation calculation shows that Peltire effect of semiconductor refrigeration has perfect heat dissipation on LED back light units.
理论分析和模拟计算结果表明，利用半导体的帕尔帖效应对背光源进行散热能获得非常理想的散热效果。
If you replenish the ice sheets and frozen waters of the high latitudes, more light will be reflected back into space, so reducing the warming of the oceans and atmosphere.
如果高纬度地区的冰原和冻结的水得到补充，更多的光将被反射回太空，从而减缓海洋和大气的变暖。
Ms Anderson:... oh, I can never find the light switch when I get back in the evening.
安德森女士：哦，我晚上回来的时候总也找不到灯的开关。
Snow and ice are bright.They reflect light and energy from the Sun, sending most of it back into space instead of letting it warm the ground.
明亮的冰雪可以将大部分太阳的光和能量反射回太空，防止地面升温。
Snow and ice are bright. They reflect light and energy from the Sun, sending most of it back into space instead of letting it warm the ground.
明亮的冰雪可以将大部分太阳的光和能量反射回太空，防止地面升温。
The OLED TV USES display technology based on organic materials which emit light naturally, once an electric charge is passed through them, rather than being back-lit as in LCD and Plasma screens.
OLED电视采用基于有机材料的显示技术，一旦电荷从中通过，就可发出自然光，而不是发出像液晶显示屏和等离子屏幕那样的背光。
When you acknowledge your own suffering, your own fear, and greet it with compassion instead of judgment, then you offer yourself a pathway back to the light.
当你承认自己的痛苦，自己的恐惧时，以怜悯心而不是批判迎接它，然后你给了自己一条回到光的道路。
After a long day of sightseeing, I came back to Beacon Cottage in the dark, only to realize that I'd forgotten to leave a light on inside.
漫长的一日游之后，我摸黑回到了毕肯小屋，这才发现自己竟然忘了在屋里留盏灯。
Avoid BRIGHT LIGHTS - if you wake up in the middle of the night and can't get back to sleep within 30 minutes, get up but avoid as much light as possible.
避免强光—如果半夜醒来后30分钟内不能再次入睡的话，干脆起床，但一定尽量避免强光。
The fiber is internally reflective at specific points, so that when light is sent along the fiber, some of it bounces back to a detector.
在特定点上，纤维可以向内反射光线，当光线沿纤维传输时，部分会反射到探测器上。
The fiber is internally reflective at specific points, so that when light is sent along the fiber, some of it bounces back to a detector.
在特定点上，纤维可以向内反射光线，当光线沿纤维传输时，部分会反射到探测器上。
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