天突然变暗了。
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.
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.
当灯光变暗时,你就要去睡觉了。
社会学家欧文·高夫曼将此描述为“光线变暗的一种类型”。
Sociologist Erving Goffman describes this as "a kind of dimming of lights".
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.
这包括使用硫或硫化氢气溶胶,使二氧化硫形成云层,进而导致全球变暗。
This would involve using sulphur or hydrogen sulphide aerosols so that sulphur dioxide would form clouds, which would, in turn, lead to global dimming.
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.
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.
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.
我们关上百叶窗,使房间变暗了。
天色变暗时我们进入了爱荷华,餐车开饭了。
As the sky darkened, we entered Iowa. And dinner was announced.
00pm灯光变暗了。
星云旋转和转动的速度降了下来,亮度也变暗了。
下面我要谈论的是光线变暗时拍出好照片的技巧。
So let me offer a few tips about taking successful pictures when the light gets low.
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.
坏死的组织会变得蓝、发白、变暗或是出现片状斑驳。
The wound itself may appear necrotic and look bluish, white or dark, flaky and mottled.
这一转变暗示在危机当中,英格兰银行的制度太过苛刻。
This debacle suggests the Bank of England's regime was too strict in a crisis.
大概是30次每秒,这行星开始变亮,然后又再次变暗。
Roughly 30 times per second you see the star become bright and then go dim again.
给你们看几张幻灯片,我顺便遮掉这个,这样教室就变暗了。
Now I would like to show you a few slides, and I might as well cover this up so that we get it very dark in this room.
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.
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.
不像其他光源,LED灯不会“熄灭”;它们只会随着时间增长变暗。
Unlike other light sources, LEDs don't "burn out;" they simply get dimmer over time.
看,天空正在慢慢变暗,正在下山的太阳给大地洒下一片金色的余辉。
Look, the sky is getting dim gradually. The setting sun is covering the earth with golden rays.
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.
一个小睡按钮、作为床头使用的可变暗屏幕的功能以及时间翻页时的音效。
Features include a snooze button, the ability to dim the screen for use on a bedside table and sound effects for when the time flips over.
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.
但是,当灯光变暗,舞池空出来,前奏响起来之后,他开始在椅子上坐立不安。
But when the lights dimmed, the dance floor cleared, and the prelude for the spectacle began, he started to shift in his chair.
但是,当灯光变暗,舞池空出来,前奏响起来之后,他开始在椅子上坐立不安。
But when the lights dimmed, the dance floor cleared, and the prelude for the spectacle began, he started to shift in his chair.
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