What dark energy is, though, is a mystery.
然而暗能量是什么，仍然是个谜。
How does particle speed relate to figuring out what dark matter is?
微粒的速度和找出暗物质的性质之间有着怎样的联系呢？
Of course, we don't understand that picture—we don't know what dark energy is, and we don't know what dark matter is.
当然，我们并不了解这幅图像——我们不知道什么是暗能量，也不知道暗物质是什么。
Yet, in the nearly 40 years that followed, researchers still haven't been able to figure out what dark matter is made of.
然而，在后来的近40年里，研究人员仍然每能弄清暗物质的组成。
It would also answer such enduring puzzles as what dark matter is, the reason time flows in only one direction and how gravity works.
它也可以解答许多古老的问题，例如暗物质是什么，时间为什么只按一个方向流动，引力是怎样运行的。
This proof of existence, appearing in an upcoming issue of The Astrophysical Journal Letters, does nothing to reveal what dark matter really is, however.
暗物质存在的证明资料发表在即将出版的一期《天体物理学杂志通讯》上。然而，该资料并没有揭示暗物质到底是什么。
But lately researchers have been thinking that the lesson in humility has gone too far. What dark matter demands, ordinary matter doesn't always obey meekly.
然而最近研究人员认为，我们不需要过度卑微，因为普通物质并非完全接受暗物质的控制。
Though no one has a good idea of what dark energy is, or why it exists, it is the force that appears to be counteracting gravity and causing the universe to accelerate in its expansion.
尽管没有人能较好申明什么是暗能量，或它为何存在，但它就是阿谁体现出抵消引力、导致宇宙加快膨胀现象的力。
What time does it get dark in summer?
夏天什么时候天黑？
What was that big dark animal coming towards his flock?
那是什么大型黑色动物冲他的羊群来了？
You couldn't see what they were like, in the dark, lad, I suppose?
孩子，我想，你在黑暗中看不出他们是什么样子的吧？
One couldn't make out what the dark mass was from a distance.
远处黑压压的一片，看不清是些什么东西。
He has to know as a professional lawyer, and what is more, he has to apply it on his feet, in the dark and rain, running down an alley after someone he wants to talk to.
作为一名职业律师，他必须知道，更重要的是，他必须用双脚实践，在黑暗中，在雨中，在小巷里追着他想要谈话的人跑。
Given the questions of how to manoeuvre in the dark, what solutions might an engineer consider?
关于如何在黑暗中操纵的问题，工程师可能会考虑哪些解决方案？
Now what are we to do here in the dark?
现在，我们在这么漆黑的地方，可该怎么办呢？
His eyes slowly began to focus on what looked like a small dark ball.
他的眼睛开始慢慢聚焦到那个小黑球似的东西上。
But what strikes me is the contrasting colors, the white dress and the dark background.
但是让我印象深刻的是对比鲜明的颜色，白色的裙子和黑色的背景。
A young man in dark glasses leaped out into the drizzle holding what looked like a carrycot and snaked toward the entrance.
一个戴墨镜的年轻人跳进毛毛雨中，手里拿着一个看上去像手提式婴儿床的东西，蜿蜒向入口走去。
In the side of what had seemed to be a snow-bank stood a solid-looking little door, painted a dark green.
在刚才似乎是雪堆的地方，立着一扇漆成深绿色的，看起来很结实的小门。
What I got out of getting up in the dark to work is the feeling that I am in control.
从摸黑起床工作中，我所得到的是掌控一切的感觉。
What could they do in homes that were dark and hot all day?
整日待在黑暗炎热的住处，她们又能做些什么呢？
What to do this dark, overcast day?
在这灰暗的天气里，我要做些什么？
What if our civilisation is followed by a second dark age?
如果我们的文明又要迎来一个黑暗时代怎么办？
What is known is that dark energy constitutes about three quarters of the Universe.
我们唯一知道的是宇宙的四分之三由暗能量所组成。
Here we shed a little light on the not-so-barbaric Dark Ages, and what really went on in the worlds of torture and justice.
这里我们将看看在并非如此野蛮的黑暗世纪里，那个充满着折磨和审判的世界里到底发生了些什么。
What are those dark circles under your eyes from?
(你)这些黑眼圈从那儿来的呀？
The acceleration is thought to be driven by dark energy, but what that dark energy is remains an enigma - perhaps the greatest in physics today.
研究者们认为是暗能量推动宇宙膨胀速度加快，但是暗能量究竟是什么仍然是个未知数——也许这是当今物理学界的最大难题。
暗物质究竟是什么？
What is it about dark chocolate?
黑巧克力里的什么物质在使然呢？
What is it about dark chocolate?
黑巧克力里的什么物质在使然呢？
应用推荐