Turning back to the mirror, Jenny saw a flash of light from the watch in the glass.
回头照镜子，珍妮发现手表发出了一束光。
If you are looking up at the sky on a clear night and you see a sudden flash of light, it is probably a shooting star!
如果你在晴朗的夜晚仰望天空，突然看到一道闪光，那可能是颗流星！
And all of this means that you, little S95, can take amazing, sharp pictures in low light without the flash.
所有这些意味着小小的佳能95你在不开闪光灯的情况下可以捕捉低亮度的惊人、犀利的图片。
He was one of earliest on using an electronic flash and a stroboscope light to create images which went beyond the common scientific USES.
他最早使用电子闪光和频闪的光线来创造图像的人，这已经超越了普遍的科学用途。
A large meteorite collision, however, would probably create a sudden bright flash of light, and no extant historical records of the time mention such a flash.
然而，大型小行星的撞击可能产生突然的强闪光，而现存的那时的历史记录中没有提到过这样的闪光。
Because the flash must survive multiple reflections without being absorbed or becoming too weak, not just any light can be used. It must be a laser.
因为闪光必须在反射若干次后不被吸收或者变得太弱，所以不是所有的光都可以用，必须是激光。
A dab of hydrogen peroxide and a flash of ultraviolet light serve as the final sterilizing gatekeepers before the water reenters potable supplies.
在这些水重新进入安全饮用的供水系统之前，作为最后的消毒系统是一小点过氧化氢和闪现紫外光线。
Fill flash is when you are outdoors for example and the light you are getting from the sun is the main light. Fill flash is just that.
现在来谈谈闪光灯补光，补光是指当你在户外，阳光是主要光源时，闪光灯用来照亮阳光给人物带来的阴影等影响(如兔眼等)。
That's why cameras use flashes in low-light environments: the flash gives the camera's sensors an extra dose of photons, the particles that make up light, Fergus says.
费格斯说，照相机在光线昏暗的情况下需要使用闪光灯的原因是：闪光给照相机传感器提供大量额外光子，光线正是由这种粒子组成的。
They also believe the mysterious flash of light spotted earlier this month was a meteor that did not penetrate deep enough into Jupiter's atmosphere for it to explode.
他们还认为，本月早些时候所发现神秘闪光是一颗流星，它的爆炸不足以穿透木星大气层的深度。
Be sure to use flash for action shots or they're likely to come out blurry, even in the best light.
记得用上闪光灯，即使在最好光线下，动作下的镜头都可能模糊。
This time the flash fires just the right amount of light to "fill-in" the subject with the flash produced light. Now you have a rather nice shot where you can see the subject and the background.
然后你再次拍下照片，闪光灯发出刚够照亮拍摄主体的闪光，这一次的照片要好多了，你可以同时看清主体和背景。
The NEX-5 even trumps an expensive SLR in one key respect: It is so adept at low-light shooting that Sony’s engineers decided to design the camera without a built-in flash.
NEX-5在一个主要方面的表现甚至比昂贵的单反更为出色：由于它在弱光环境中优秀的成像质量，Sony的工程师决定不设内置闪光灯。
They wait for the flash of light that signals the rare occasion when a neutrino hits an ice molecule.
当一个中微子罕见地撞到一个冰分子时，探测器们等待的就是这一瞬间的闪光。
Flash or strobe light lets you photograph in dark places without having to increase your camera's ISO setting or use a tripod, as long as the subject is within the range of your light.
有了闪光灯，你就可以不用增加照相机的ISO刻度，或使用三脚架的情况下就可以在暗处拍照，只要拍摄物在闪光灯的有效范围里。
Machines are used where they're worth it: at another station, one tests the power output of finished cells with a flash of light before robotic arms place them into bins according to performance.
机器要用在更能发挥他们价值的地方：在另一个车间里，用一道光来检测成品电池的输出功率，然后依据检测结果使用机器手将他们放在箱子里。
The flash is aimed at the ceiling, wall or flash reflector, which disperses and softens the light, and bounces it back at the subject.
闪光时对准天花板，墙面或反光板，使得光线分散和柔化，并反射到被摄物上。
Even after these modifications, the camera's flash still dazzled with a burst of white light.
即使在经历了这些改进之后，照相机闪光灯依然能发出令人眼花的强烈白光。
Of course, you can Orient the flash in various ways to direct the light as you like.
当然了，你还可以尝试各种喜欢的方式来控制光线。
Computer scientist Rob Fergus was sitting in a dimly lit Boston bar when a sudden burst of bright light blinded him-the camera flash accompanying a friend's photograph.
计算机科学家罗伯·费格斯当时正坐在波士顿一家灯光昏暗的酒吧里，突然一阵强光闪耀，照得他眼前发黑——原来是一个朋友拍照时照相机闪关灯发出的光。
When a neutrino strikes the liquid, a flash of light is produced that is then picked up by a bank of photomultiplier tubes around the liquid.
当中微子和液体反应后，产生的束光就会被液体周围一堆的光电倍增管所接收。
Halfway through the (thankfully empty) intersection, before I knew what I’d done (or had a chance to smile), I noticed a flash of white light.
幸好十字路口没车也没人，不然该闯祸了。 开到路口正中的时候，我还没意识到我已经闯红灯了。
In standard flash photography a burst of light strikes a subject, and some of it bounces back to the camera to create an image.
在标准的闪光摄影中，一束光照在一个物体上，部分光反倒照相机里成像。
You can even Angle your flash up and behind you to fill a small to normal-size room up with beautiful light. Spin it around and up at about 45 degrees to hit the wall and ceiling behind you.
你还可以使闪光灯角度向上或向你身后，将闪光灯旋转45度朝向墙壁和天花板打光，让美丽的光线充满整间房子。
Light from the flash would be reflected off the door and onto both the person and the walls behind that person.
闪光会被门反射，接着会打在那个人以及人后面的墙上。
After a few moments, and a brief flash of a strobe, the light took off, disappearing into the night sky.
几分钟以后，一个简短的闪光灯频闪，然后起飞，消失在夜空中。
The camera and flash essentially work together to decide how much light the flash emits in order to properly expose the subject.
相机与闪光灯在测量正确的曝光后，共同决定闪光灯的输出。
Off to Bydgoszcz. At night, tenting a blanket over his head to hide his flash light beam from the Valley Forge duty officer, Salinger (by now called Jerry) had written his first short stories.
晚上，他为了不让瓦莱弗奇学校值班的长官看到自己台灯的亮光，便用一块毯子把自己和台灯都罩了起来，这个时侯，塞林格（人们这会管他叫杰里）已经写了他的第一篇小说。
Film users can extend the flash range by using Kodak Max versatility or versatility plus film. Watch the light.
使用胶卷的用户可使用柯达Max全能或全能plus胶卷拉大闪光灯范围。
Film users can extend the flash range by using Kodak Max versatility or versatility plus film. Watch the light.
使用胶卷的用户可使用柯达Max全能或全能plus胶卷拉大闪光灯范围。
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