white-out

柯林斯词典

white out

• 1. V to lose or lack daylight visibility owing to snow or fog (由于雪雾而)失去白天光线能见度; 缺乏白天光线能见度

• 2. N an atmospheric condition consisting of loss of visibility and sense of distance and direction due to a uniform whiteness of a heavy cloud cover and snow-covered ground, which reflects almost all the light it receives 乳白天空

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