从最便宜的廉价航空公司到世界上最大的航空公司，我们可以看到：全球的航空公司都在他们的机舱座椅上融入了各种深浅不一的蓝色，这并非巧合。
It can be seen from the cheapest budget airlines to the world's largest carriers: Airlines across the globe integrate various shades of blue in their cabin seats, and it is no coincidence.
他经过了乳白色的瀑布和深浅不一的蓝色山脉。
He passed milky white waterfalls and mountains in many shades of blue.
“抬头仰望月球时，人类的肉眼至少会看到月球表面呈深浅不一的灰色，”罗宾逊解释道。
"Looking up at the Moon, its surface appears painted with shades of grey, at least to the human eye," explained Robinson.
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