It was dusk, so there was still some blue in the sky.

那是傍晚，所以天空还有一些蓝色。

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In overcast weather dusk light is a deep, saturated blue.

在阴暗天气黄昏光内是深，饱和的蓝色是。

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Why Do Things Look Blue at Dusk and Dawn?

为什么在黄昏和黎明时事物看起来是蓝色？

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Why Do Things Look Blue at Dusk and Dawn?

为什么在黄昏和黎明时事物看起来是蓝色？

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