As scientists restore sight to a blind man, Richard Gray explains how human beings can now be rebuilt from top to toe with artificial parts.
随着科学家们使盲人重见光明，Richard Gray为您讲述人类如何用人造器官从头到脚重新改造自己。
Artificial distinction which obfuscate the law and complicate its practice should be abolished but the real difference should never be lost to sight.
我们认为，在这两种财产之间，使法律模糊和使法律实施复杂化的人为的区别应当被取消，但两者真正的区别应该继续保留。
For decades, scientists and eye doctors have been trying to develop artificial eyes that would return the sense of sight to blind and visually impaired people.
数十年来，科学家和眼科医生一直努力研制人造眼球，以使盲人和视力受损者重见光明。
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