It sounds paradoxical, because the idea behind this hypothesis is that the red pigment is made in autumn leaves to protect chlorophyll, the light-absorbing chemical, from too much light.
这听起来很矛盾，因为这一假设背后的理念是，树叶在秋天产生的红色素是用于保护叶绿素这种吸收光的化学物质，以免它吸收过多的光。
Your town doesn't get as much light or heat from the sun.
你的城镇不会从太阳那里获得那么多的光或热。
A candle does not produce as much light as a light bulb.
蜡烛产生的光亮不如灯泡强。
In the study, the researchers let volunteers read, play games and watch movies on a screen for different time while measuring how much light their eyes received.
在这项研究中，研究人员让志愿者在不同时间于屏幕上阅读、玩游戏和看电影，同时监测他们的眼睛接收到的光线。
They left the door only partly open, for too much light might drive the ghost away.
他们只让门半开着，因为太多的光可能会把幽灵赶跑。
Certain plant species won't flower if they sense too much light and some plants will only flower if they sense a specific amount of light.
某些植物种类如果感觉到了太多光就不开花，而有些只有感觉到了一定程度的光才会开花。
The aperture regulates how much light reaches the sensor.
光圈控制进入传感器的光的强弱。
Let's say we have an abundance of the starting material, and not very much light.
比如我们有大量的反应物，但是没有光。
Our cable box makes so much light that I have to cover it with a pillow before bed.
我们的有线电视盒发出的的光亮度达到我要在睡前用一个枕头盖上。
A pixel is merely a number reflecting how much light has hit a particular part of a sensor.
像素仅仅是反映有多少光撞击到感受器特定部位的数字。
A fossil formed so long after birds emerged does not, in truth, shed much light on that debate.
事实上，一个在鸟类出现很久之后形成的化石并没有使得这一论战明朗化。
But that does not shed much light on the reasonableness of the sentence Mr. Skilling should receive.
但这并不能表示斯奇林受到的判决就是理性的。
Another reason milk looks white to our naked eyes is because some objects do not absorb very much light.
另一个让牛奶看起来呈乳白色的原因是因为牛奶中的一些物质不吸收光线。
The GE CFL produced as much light as an incandescent, while drawing just 20 percent as much electricity.
通用电气生产了和白炽灯同等数目的节能灯，不过后者只消耗前者20%的电量。
In other words, a change to one of the laser beams affects how both beams interact and how much light gets through.
或者说，改变两光束之一会影响两束光的相互作用以及有多少光可以通过。
The original picture was over-exposed, that is that too much light was captured by the camera as it was taking the photo.
原始相片中，由于过多的阳光进入了镜头，导致曝光过度。
It is about two and a half times nearer to the sun than our earth, therefore it receives nearly seven times as much light.
它与太阳的距离与地球相比，大约是1：2 .5，因此，水星受到太阳照射的强度大约是地球的7倍。
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。
But even the brightest city in America, Las Vegas, emits only about a ten-thousandth as much light as the sun shines upon the same area.
但即使是美国最亮的城市拉斯维加斯，其发出的亮度也仅只及太阳光在这块区域反射亮度的万分之一。
With that big of an opening, however, you might get too much light in the camera and your picture could be overexposed, almost a whiteout.
在这么大的开启状态之下，你也有可能将太多的光放进了相机里，以至于照片过曝，甚至几乎变白。
Light came in through the panes of the door leading out onto the balcony — not much light; the kitchen was only bright when the door was open.
光就透过通向阳台的门上的玻璃钻进来，不过也吝啬的可怜。
So you have these two parameters, shutter speed and aperture size, both of which do essentially the same thing: control how much light gets in.
现在你已经了解了这两个参数——快门速度和光圈大小，他们从本质上来说有同一个功能：控制进入相机的光线总量。
Clearer skies and much light winds allowed temperatures to drop well into single figures resulting in a touch of grand frost in some rural areas.
清凉的天空和微风让温度值降到了个位数，使得很多乡村地区出现了霜。
You set the aperture, which dictates how much light comes into the camera-do you want a nice, shallow depth-of-the-field, or everything in focus?
你设置光圈(用于指定有多少光进入照相机镜头)——你想照一幅漂亮、浅景深或广角的照片吗？
Scientists know that its actually Mercury reflecting too much light, causing the camera's CCD (" charge-coupled device ") to become oversaturated.
但科学家知道，那只是因为水星反射了过多的阳光，而超过了照相机CCD的负荷所造成的假象。
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。
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。
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