Though he is somewhat red-blind, he is a red-blooded young man.
虽然他对红色有点色盲，但他却是一个充满活力的年轻人。
One in eight men are colour blind to either blue, red or green and most have little ability to match patterns and designs.
八分之一的男人对蓝色、红色或绿色色盲，大多数男人几乎不能匹配图案和样式。
Sharks may be able to smell blood from miles away, but they probably don't know how red it is: New research suggests sharks are color-blind.
鲨鱼可以在数英里外就嗅到鲜血的腥味，但是他们很可能并不知道血是红的：最新研究表明，鲨鱼其实是色盲。
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