因此，变暗的油更意味着玛蒂在发动机中起作用。
Darker oil therefore means that MATHY is working in the engine.
同时还存在其他许多问题，包括太阳光线变暗的实际程度。
Many questions remain, including the true extent of the dimming.
但有一天，男孩待在外边的时间超出了规定，当天色变暗的时候，他很害怕。
But one day, the boy stays out longer than he's supposed to, and when it gets dark, he becomes terrified.
除了提供更为一致的亮度，全阵列led背光能使屏幕上那些影像需要变暗的地方选择性的暗下来。
Apart from giving more uniform brightness, a full array of LED backlights allows the screen to be dimmed selectively in places where a scene needs to be dark.
对投影机亮度变暗的原因与维修、维护的范围及效果进行了分析，提出了维护、维修的方案及成本预测。
This article analyses the causes of making projector's luminosity darkling and introduces their maintenance ranges and effect and brings forward their schemes of maintenance and their cost.
这是导致“全球变暗”的主要原因之一。全球变暗的现象始于1970年，是空气中的浮质(悬浮微粒)增加所致。
It is a major reason for "global dimming", which has been caused by an increased amount of aerosols in the air since 1970.
移除由于混浊的瑕疵而变暗的晶体，通常叫做白内障，然后用人工晶体替换它们，这种技术已经存在超过半个世纪。
The ability to remove lenses darkened by cloudy imperfections, known as cataracts, and replace them with artificial lenses, is more than half a century old.
很多霓虹灯都变暗了，取而代之的是更实用，但是不那么浪漫的LED 灯。
Many of them are going dark, replaced by more practical, but less romantic, LEDs.
就在灯变暗之前，我看见我的父亲冲进大厅，坐在我的母亲旁边。
Just before the lights turned dark, I saw my father rush into the hall and take the seat beside my mother.
卡罗摄影法对化学处理纸的使用是革命性的，其中光照区域色调变暗，形成负像。
The calotype was revolutionary in its use of chemically treated paper in which areas hit by light became dark in tone, producing a negative image.
碰撞的力量将大量碎片喷射到大气中，在更细的粒子落下之前，天空会变暗几年。
The force of collision spewed large amounts of debris into the atmosphere, darkening the skies for several years before the finer particles settled.
第二种保证在10年内看起来很好，而便宜的那种大约在6、7年后就会开始变暗。
The second is guaranteed to look great for about 10 years, whereas the cheaper one will start to dull after around 6 or 7 years.
在长时间曝光中的运动在星光熠熠的背景和下方变暗了的城市灯光上产生了条纹。
Motion during the long exposure produced streaks in the starry background and the city lights on the darkened planet below.
但是研究人员最近发现当我们大脑的这些区域变亮的时候，其它区域会变暗。
But researchers have recently discovered that when these areas of our brains light up, other areas go dark.
然后前照灯和汽车引擎开始工作，两个红色的尾灯变暗，很快消失了。
Then headlights and engines came to life. Two sets of red taillights dimmed and soon disappeared.
罗森塔尔表示：“你的背后不应该有亮光，因为这会让你的脸色变暗。”
"There shouldn't be light behind you, because it will darken your face," Rosenthal says.
在中场休息的时候，天气正渐渐变暗，两支队伍和他们的经理都建议放弃中场休息：他们宁愿仅交换场地并继续比赛。
At half time, with the weather closing in, the two captains and both managers suggest forgoing the halftime break: they'd rather just change ends and carry on.
在凉爽的气候下，它呈纯蓝色，但随着温度的升高，它会变暗，逐渐呈现出紫色。
In a cool climate, its appears pure blue, but darkens to a purple when the temperature rises.
当我走向回家的电车时，大街上正在渐渐变暗——当时华尔街日报位于宽街44号——那些报童们都在街上，大声的叫卖着报纸增刊。
As I was walking back to the trolley in the darkening streets - the Wall street Journal was then at 44 Broad street - the newsboys were all out on the streets Shouting their extras.
月全市发生时，太阳，地球和月球连成一线，地球夜晚一侧的观察者可以看到一个变暗了的月亮。
During an eclipse, the sun, Earth and moon line up, leaving a darkened moon visible to observers on the night side of the planet.
这个方法设想行星的一部分从其环绕的恒星和我们的视线之间越过，这会造成在我们看来恒星稍稍变暗了一些。
This method assumes that some percentage of planets will pass between our line of sight and the stars they orbit around, causing those stars to dim just a fraction from our perspective.
在这项实验中，当黑色的圆盘出现时，石鳖立即贴覆在石板上，但当荧屏变暗时，它们则保持在生活状态。
In the experiment, the chitons went into lockdown mode when shown the black disk, but the animals remained at ease when the screen dimmed.
最好的捷径是寻找宇宙中一天体运行到另一天体与观察者之间，使前者如同经过后者的表面，使我们从地球上观察到的光线变暗。
The best approach is to look for transits, in which an orbiting planet passes in front of its star, dimming the amount of light we detect on Earth.
全球变暖永远都不会有它最好的照片——“世界一小时”，全球变暗，可能是我们所能有的最接近的事情。
Global warming may never get its perfect picture - Earth Hour, a globe gone dark, may be the closest thing we'll have.
他熟悉了她生气的时候，蓝眼睛会慢慢变暗，几乎成了黑色，好像一有可能，就要发作起来。
He learned to watch for her blue eyes to go dark, nearly black with temper, and to get out of the way if they did.
这些阴影通过增加菜单或者窗口的维度来使它们变得醒目，同时也能来把这块区域变暗以阻止下方内容的干扰。
They help the menu or window stand out from the background by reinforcing its dimensions. They also block out the noise of the content beneath the window by darkening the area around it with a shadow.
几乎90%的女性在怀孕中期都会经历一些形式的皮肤变暗。
Almost 90 percent of women experience some form of skin darkening beginning in the second trimester.
利用整个方阵的LED背景灯光的屏幕效果要好很多，出了提供更多的统一亮度，他们同样能满足当屏幕需要变暗时所需要达到的效果。
Screens that use a full-array of LED backlights are much better. Apart from giving more uniform brightness, they allow the screen to be dimmed selectively in places where a scene needs to be dark.
利用整个方阵的LED背景灯光的屏幕效果要好很多，出了提供更多的统一亮度，他们同样能满足当屏幕需要变暗时所需要达到的效果。
Screens that use a full-array of LED backlights are much better. Apart from giving more uniform brightness, they allow the screen to be dimmed selectively in places where a scene needs to be dark.
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