在月全食的过程中，月亮会经过地球本影的北部，因此月亮下半部分会比上半部分暗一些。

During totality, the Moon tracked through the northern part of the Earth's dark umbral shadow, so the southern half appeared considerably darker than the northern part.

youdao

我要把这一部分画得再暗一些。

I'm going to shade this part in.

《牛津词典》

整个房子的颜色非常简单，是从白色到色调偏冷的灰色的过渡。入户的部分比较明亮，客厅略暗，餐厅和书房的颜色就已经非常深了。

The color palette is a simple gradation of whites and cool grays with a bright entry fading to a darker living room and a dramatically dark dining room and library.

youdao

If your have good eyesight from the distance that you're at you can see the vessels leading out of the heart and into the lungs, and the lungs are these darker spaces within the ribcage.

如果你的视力足够好的话,你们能看到,由心脏发出血管,进入到肺部,肺是胸腔里这片比较暗的部分

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