The blue of the sky paled to a light grey.

天空的蓝色渐变成了浅灰色。

《牛津词典》

I lay lazily smoking and studying the colour of the sky, as we call the void of space, from where it showed a reddish grey behind the pines to where it showed a glossy blue-black between the stars.

我懒懒的躺着吸烟，观察天空的颜色，在我们所说的太空空间里，在松树林后面的那一片是微红的灰色，星与星之间则是泛着光泽的深蓝。

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The shadow of the fringe of trees along the vast expanse of sand hung motionless along its border, and the ring of blue-grey hills around the horizon slept calmly beneath the sky.

广阔沙地两旁的树影，一动不动地垂挂在其边沿，圆圆的地平线上，灰蓝色的山在天空的怀里恬静地睡着了。

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The royal blue sky glared down on the grey brittlebush, and the heat was searing.

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And maybe that October sky wasn't really as blue-grey as Grantland Rice told us it was when those Four Horsemen of the Apocalypse rode to a great Notre Dame victory on the ol' gridiron.

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