has been sunset sun
已经是夕阳
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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
应用推荐
模块上移
模块下移
不移动