That's another reason for the black background of the Universe.

这也是宇宙背景呈现黑色的另一个原因。

The image Klein posted appeared as a round object surrounded by a black background.

克莱恩发布的图像看起来是一个被黑色背景包围的圆形物体。

Conventional x-rays that show white bones on a black background are like photographic negatives.

常规来说，在X线片上可以看到白色的骨头和黑色的背景，就像照片的底片一样。

You know, when you do public access, basically, you have just a black background.

在面向公众的时候，背景基本上只有黑色。

That's because white text on a black background is considered to have too much contrasts.

那是因为白色文字在黑色的背景上的反差太大了。

The feature – already available on Mac computers – turns the background of the device black.

这一功能可将设备的背景设为黑色，目前已应用于苹果电脑上。

There's little white dots on a black background. It's like looking up at the stars at night.

黑色背景上有小白点，就像晚上仰望星空一样。

And the headline of one Iranian newspaper has the word unforgivable in large white type on a black background.

一家伊朗报纸的头条新闻用大写的黑底白字写着“不可原谅”。

It's just a black background 'cause all my apps.

这只是一个黑色背景， 因为我所有的应用程序。

It's got this, like, black background and, like, green hacker text.

ELI: 它有这样的黑色背景和绿色的黑客文本。

I just made a black background and you can downloaded it at khanacademy.

我刚刚制作了一个黑色背景，你可以在 khanacademy 下载它。

First, they trained two crows to indicate whether they saw a faint light— a dark grey dot on a black background.

首先，他们训练两只乌鸦判断它们是否看到微弱的光——黑色背景上的深灰色点。

Both these phones are showing an image of some white text on a black background but one of the backgrounds, isn't really black? Is it?

这两款手机都在黑色背景上显示一些白色文本的图像，但其中一个背景不是真正的黑色吗？是吗？

After flicking past the glories of YouTube and virtual reality, the screen goes blank and the words appear, white on a black background: " What's next? "

在播放完油管和虚拟现实的辉煌之后，屏幕一片空白，然后出现了黑底白字：“下一步是什么？”

These pictures are all shot in a very clean manner on black and white backgrounds using studio lighting so we can see the essence in the animal in true color.

这些图片都是在黑白背景上用影棚灯光拍摄的，非常干净利落，所以我们可以在真实的颜色下看到动物的本质。

They flew around a dark space without any pattern, the black one disappearing against the black background and only revealing its existence occasionally when it obscured the white ball.

他们在一个没有任何图案的黑暗空间中飞来飞去，黑色的消失在黑色的背景中，只是偶尔遮挡住白色的球体时才显露出它的存在。

Blue won out: Not only was it dark enough to show up on a white background and light enough to show up on a black background, but it also " didn't interfere with retention."

它不仅足够低调，可以显示在白色背景上但不抢眼；也足够亮，可以显示在黑色背景上能被看到，而且“不干扰用户阅读”。

Eventually, Kevin McCoy was able to sell that very first NFT, the one he created with Anil at the hackathon years earlier. The NFT was called Quantum. It was a simple animation of a geometric shape on a black background.

最终，Kevin McCoy 能够出售他的第一个 NFT，这是他多年前在黑客马拉松上与 Anil 创造的。 NFT 被称为 Quantum。这是黑色背景上几何形状的简单动画。