Some blind people can tell light from dark; others also have a small amount of vision.
某些盲人可以分辨出黑暗中的光亮，另外一部分盲人可以有少部分视觉。
One of the most striking phenomena of vision is the dark adaptation of the eye .
视觉最惊人的现象之一是对黑暗的适应性。
One of the most striking phenomena of vision is the dark adaptation of the eye.
视觉最惊人的现象之一是对黑暗的适应性。
Night Vision, knows the secrets of the dark.
夜视，知道了黑暗的秘密。
Night Vision, knows the secrets of the dark.
夜视，知道了黑暗的秘密。
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