• But a clear, cloudless day-time sky is blue because molecules in the air scatter blue light from the sun more easily than they do red light.

    BBC: rainbow

  • At sunset, the sun appears red (the blue light has been scattered out of that image, too), so the cells of the eye that detect red are overloaded and incapable of registering weaker red signals.

    ECONOMIST: In a flash

  • And the sky is blue, it says, because the sun produces white light which is made up of all the colours of the rainbow.

    BBC: rainbow

  • In the Bolivian Andes, ice-blue glaciers crown amphitheatres of peaks, llamas graze quietly in the afternoon sun and the evening light fades into frigid mountain nights.

    BBC: In Bolivia, awe-inspiring scenes at every turn

$firstVoiceSent
- 来自原声例句
小调查
请问您想要如何调整此模块?

感谢您的反馈,我们会尽快进行适当修改!
进来说说原因吧 确定
小调查
请问您想要如何调整此模块?

感谢您的反馈,我们会尽快进行适当修改!
进来说说原因吧 确定