翅膀表面微小的三维结构而非色素沉着使得诸如蓝色大闪蝶之类的昆虫展现鲜艳的色彩。

Insects such as the blue morpho butterfly appear colourful because of the tiny 3d structures on their surfaces, rather than pigmentation.

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云朵横穿过天空，时而来自不同的方向，时而遮蔽了星光熠熠的蓝色幕布，有时他们移到恒星的前面，忽厚忽薄的云使得星星一闪一闪的发亮。

Dark clouds flow across the sky, sometimes from different directions, sometimes blocking background starlight, but other times causing stars to appear to flare as they move in front.

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只见亮闪闪的蓝色羽毛一闪，一只松鸦从刺柏丛中钻了出来。

A jay emerged from the juniper bush in a flash of blue feathers.

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