一个就是视网膜中央凹，一个用来看颜色并察觉出细节的中间地带。
One is the fovea, a central area used to see colors and pick out details such as fine print.
两个小时之后，他精神抖擞地带回了一支颜色艳丽但稍稍焉掉的花。
Two hours later, he high spirit back to a gorgeous color but slightly how off flowers.
视界上的颜色并非只有白色和黑色，黑与白之间还有很漫长的灰色地带。
Field of vision is not only the colour white and black, between black and white there is a long grey areas.
LED地带——不同的颜色和长度可用。
LED地带——不同的颜色和长度可用。
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