You often get a dark area in the sky, which usually looks nasty.

因此得到的照片天空总是有块地方特暗，看起来挺别扭的。

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There are just a couple of small places untouched by either light: the dark area where the nose meets the eye socket, and the hollows above and below the ear.

只有一些小角落都没被照到：鼻子和眼窝交界的地方，耳朵上方和下方的凹陷。

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Therefore, it is possible to correct the dark area gradation of an image while maintaining brightness of the whole image, and to realize preferable gradation conversion.

因此，可以在维持图像整体的亮度的同时进行图像的暗部灰度的校正，并且可实现最佳的灰度变换。

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It usually first grows in a mole, a small dark area of skin.

VOA: special.2010.07.06

Melanoma often looks like a dark area with an unusual shape.

VOA: special.2010.07.06

So I went through the dark dirty streets and houses, and saw how the people suffered in this area.

VOA: special.2010.08.01

Extend all of those and the annual deficit roughly doubles (see dark pink area in the second graph).

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He wanted you to focus on the dark blue area of the chart.

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Radagast did, in fact, live on the Western edge of Mirkwood, and could easily have encountered the Necromancer in his wanderings through the dark, forested area near the Tower of Gol Guldur.

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