The star varies in brightness by about three magnitudes.

星体的亮度大约分三个星等。

Her burst of exuberance and her brightness overwhelmed me.

她的活力勃发和她的聪明智慧征服了我。

But his night paintings don't exactly lack brightness.

但他的夜景画并不缺乏亮度。

They think of brightness, sunshine, all that yellow and orange.

他们想到的是光明、阳光，尽是黄色和橙色的事物。

Their presence filled this place with an intolerable brightness.

他们的出现使这个地方充满了耀眼的光辉。

The increase in brightness of the x-ray sources over the same period has occurred far faster.

在同一时期内，X 射线光源亮度的增加速度要快得多。

The best signal depends not only on its brightness but also on how well it contrasts with the background against which it must be seen.

最好的信号不仅取决于它的亮度，还取决于它与背景的对比度。

She always brought brightness with her when she came.

她来的时候总是带着阳光。

That means its brightness will be seen in most areas in China, reducing the need for streetlights.

这表明，中国大部分地区都能看到它的亮光，这减少了路灯的需求量。

Wu said it would be similar to how we get moonlight, but he predicted that the man-made moon would have eight times the brightness of the real one.

吴说，这将类似于我们获得月亮光照的方式，但他预测，人造月亮的亮度将是真实月亮的8倍。

The candles were now lighted--what brightness!

现在蜡烛都点起来了——多么明亮啊！

If your home doesn't have enough window light, get more lamps and flood the place with brightness.

如果你的家里没有足够的窗户照明，那就多买几盏灯，让这个地方充满光明。

The size of a star affects its brightness.

恒星的大小影响它的亮度。

The brightness is assigned a value: -1, 0, or + 1.

亮度被赋予一个值：- 1,0，或+ 1。

The world is marching toward brightness and progress.

世界正向着光明和进步的目标迈进。

You can use Brightness Contrast to make colours sharp.

你可以用亮度-对比度来让颜色更犀利。

The sun's brightness fluctuates over an 11-year cycle.

太阳亮度以11年为周期波动。

It also will measure the brightness of each laser reflection.

它还将测量每一道激光反射的光亮度。

Some witnesses compared the fireball's brightness to the sun.

有些见证者把这个火球的亮度比作太阳。

By comparison, Jupiter is one-billionth the brightness of our sun.

作为对比，木星的亮度也只有我们的太阳的十亿分之一。

High intensities can increase the perceived brightness of the space.

高强度的照明可以提高空间感官上的亮度。

Accentuate the dark frame accentuates the brightness of the picture.

暗框使画的亮度更明显。

The brightness of a star depends on its surface temperature and size.

恒星的亮度取决于它的表面温度和大小。

When one is firing, its brightness can exceed a thousand normal galaxies.

当一个类星体爆发时，它的亮度可以超越一千个常规的星系。

So it was the brightness of silver that then came to mean pure white.

因此，这个词“纯白”的含义是从银色光泽的意思演变而来的。 注意是强调句。

Astronomers describe star brightness in terms of magnitude and luminosity.

天文学家用星等和光度来描述恒星的亮度。

The corpse is the focus of the composition, by its intense brightness.

有着强烈明度，供解剖用的尸体是这幅画作的中心。