In the very red means in that part of the brain is stimulated by the centre of your visual field.

红色部分说明这部分的大脑,收到视野中心的刺激。

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After a while, there were stretches where red gullies dropped off on either side of the road, and behind them there were patches of field buttoned together with 666 posts.

过了一会，有几段路,红色的排水沟在道路两旁延伸，后面是一块块的田地,一共有666根插在上面。

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