因此，最好的观测点是海拔高、光线暗且干燥的地方。
The best observatory sites are therefore high, dark, and dry.
个光线暗、安静舒适的地方。
在你进光线暗的房间时应该拿个手电筒。
You should use a flashlight to help you see into dark rooms.
再说光线暗，我告诉你了。
不要在光线暗的地方工作把眼睛损害了。
让卧室内的光线暗下来，你也可以在日落后去训练。
Darken the room, or practice in the evening just after sunset so it's already dark.
把啤酒放置在凉爽、光线暗的地方，如冰箱的底层，味道最佳。
Beer will taste best when it's stored in a cool, dark place, like the bottom of your refrigerator.
由于观光舷窗之间装有大功率照明灯，水下光线暗时可照常观赏。
As tourism between the Windows with high-power lights, and underwater lighting can be dark as usual to watch.
“我们知道当光线暗的时候，事情就不妙了(指污染严重)，”韦德博士说道。
"We know things are really bad when the light goes out," says Dr Widder.
这就叫做“暗光适应”。你的眼睛花上一个钟头就可以完全适应光线暗淡的环境。
This is called "dark adaptation" and it takes your eye up to an hour to become fully adapted to seeing in low light conditions.
在光线暗的条件下对于应用来说是可取的，开发者对于光线条件没有办法控制。
This is desirable for applications with low lighting, or in which the developer has little control over lighting conditions.
这个设计的挑战在于如何将一个空间小，光线暗，与花园在同一层面的空间转化成一个无比开阔的居室。
The challenge of the Mayfair Residence was to transform a small, dark, garden-level space into one that is physically and perceptually more expansive and spacious.
纽约大学研究人员制造出了一种使用不可见光照明的相机闪光灯，不会让人觉得眼花，在光线暗的情况下依然拍出高质量的照片。
NYU researchers create a camera flash that uses invisible illumination, blinding no one, but still taking high-quality pics in low-light situations.
纽约大学研究人员制造出了一种使用不可见光照明的相机闪光灯，不会让人觉得眼花，在光线暗的情况下依然拍出高质量的照片。以下是相机工作原理。
NYU researchers create a camera flash that USES invisible illumination, blinding no one, but still taking high-quality pics in low-light situations. Here is how it works.
在充足的光线下，树林边缘的树木呈现出一种暗棕色的绿色——因为已经到八月底了。
The trees on the wood-edge were a darkish, brownish green in the full light—for it was the end of August.
一旦我们找到这样一颗行星，我们就要想办法将它的恒星射过来的光线遮暗，这样我们就能彻底“看见”这颗行星，并分析它的大气层。
Once we detected a planet, we would have to find a way of blotting out the light from its star, so that we would be able to 'see' the planet properly and analyze its atmosphere.
通过时明时暗的光线，我能够辨别出来，这里或那里有枪、帽子、军裤、靴子、胡子、又一支枪和白色旗帜。
In the fading light I could make out here and there guns, hats, combat trousers, boots, a beard, another gun and a white flag.
当前的计算机模型预测：近距离围绕恒星运行的炽热的木星类行星(巨大的气体球)只能像水星一样暗，后者能反射照射到它上面的大约10%的太阳光线。
Current computer models predict that hot-Jupiter planets-gas giants that orbit very close to their stars-could be only as dark as Mercury, which reflects about 10 percent of the sunlight that hits it.
这种激光器的相反工作模式才是它真正的新奇之处，其中大部分时间光线是打开的，但它在很短的闪烁及非常短暂的暗脉冲里关闭。
"What's really novel is that this laser works in the opposite mode, where most of the time the light is on, but it turns off in very brief flashes, very brief dark pulses," said Wiener.
因为满月之后光线越来越暗，使得狮子以及其他食人动物受益于阴影而获得成功攻击猎物的惊喜。
As the full moon diminishes, there is less and less light, allowing lions as well as other maneating animals to surprise and attack their prey successfully from the shadows.
举个例子来说明一下，带有这样传感器的相机，即使在光线较暗的地方不用闪光灯照出的照片同样非常出色，这是普通的傻瓜相机所不能比的。
So it's pretty good in low light without the flash - far better than a pocket camera would be, for example.
使房间保持较暗的光线和安静，不要在床上工作，让可能造成分心的事情都离开这里。
Keep your room dark and quiet, and remove distractions (no working in bed).
因此，在一个可能会错过上最轻和最暗区域的细节的单一管理单元，同一场景下hdr图像看起来更加光线充足。
So, where a single snap may miss out on detail in the lightest and darkest areas, an HDR image of the same scene looks preternaturally well lit.
在将工人们吊上来的时候救援人员会给他们戴上特殊的太阳眼镜，而且他们的病房在头几天也会保持较暗的光线。
Rescue workers will put special sunglasses on the men as they hoist them from the mine, and their hospital rooms will also be dark for the first few days.
斯莫科实际上面对镜头很害羞，所以在录音期间我非常注意不要让她感到失望和沮丧，所以我们大家都保持安静，室内光线也调暗了些。
Smokey is actually quite camera shy so I was very conscious not to upset her during the record attempt so we kept it all kept very calm and low key.
心理学家发现，关在一天24小时灯火通明房间里的老鼠比关在按正常明-暗光线循环房间里的同类老鼠表现出更多的抑郁症状。
The psychologists found that mice housed in a lighted room 24 hours a day exhibited more depressive symptoms than did similar mice that had a normal light-dark cycle.
避开杂乱的背景，或光线过亮或过暗的色块。
Avoid backgrounds that are too busy or have very light or dark patches of colour.
在制造暗闪光相机模型机时，费格斯用另外一种允许一些红外光线通过镜头，但不至于滤入太多红外光线，损坏相机传感器的滤光片代替传统滤光片。
When building his prototype, Fergus replaced this filter with another that lets some IR through the lens without flooding the camera's sensors.
一旦我们找到这样一颗行星，我们就要想办法将它的恒星射过来的光线遮暗。
Once we detected a planet, we would have to find a way of blotting out the light from its star.
一旦我们找到这样一颗行星，我们就要想办法将它的恒星射过来的光线遮暗。
Once we detected a planet, we would have to find a way of blotting out the light from its star.
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