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1·For a few years its luminosity flared up to about 10,000 times the present-day luminosity of the Sun.

有几年它的亮度一度达到了现在的太阳亮度的一万倍左右。《柯林斯英汉双解大词典》

2·Our present understanding of the Sun's luminosity holds that it should have progressively increased, not decreased, over the course of Earth's history.

当前我们对太阳光度的认知是：在地球的历史进程上，太阳光度应该是逐渐增加而不是减少的。

3·However, the amount of helium in the universe, as measured by spectroscopy, suggests that there are far more baryons in the universe than estimates based on galactic luminosity indicate.

然而，通过光谱学测量，宇宙中氦的数量表明，宇宙中重子的数量要比基于星系光度所估计的要多得多。

4·Ultrafine powder with a rosy tinge gives the skin warmth and luminosity.

带玫瑰色的超细扑粉让皮肤显得温暖而有光泽。《柯林斯英汉双解大词典》

5·Astronomers tried to estimate what solar mass could produce the required luminosity to explain liquid water on these planets.

天文学家试图通过估计太阳质量能产生多少必需的光来解释这些行星上的液态水。

6·Ignis fatuus is a luminosity that appears over swamps or marshes at night.

鬼火是一种夜间出现在沼泽里或沼泽上的发光体。

7·For this example I chose the Luminosity mode.

下面是一个例子，我选择了亮度模式。

8·Specifically, luminosity is proportional to radius squared.

具体来说，光度与半径的平方呈正比。

9·FocusBlur: Makes an image out of focus with luminosity and depth.

FocusBlur：通过亮度和深度使图像失焦。

10·There's no way he could ever have John's amazing luminosity.

让他拥有约翰那种令人惊异的发光度显然是不可能的。