A part of the eye that is essential for vision has been created in the laboratory from animal stem cells, offering hope to the blind and partially sighted.
一种基本上用于视觉的眼睛部分，已经在实验室里由动物的干细胞造出，为盲人和视力部分残缺的人提供了希望。
A part of the eye that is essential for vision has been created in the laboratory from animal stem cells, offering hope to the blind and partially sighted.
一种基本上用于视觉的眼睛部分，已经在实验室里由动物的干细胞造出，为盲人和视力部分残缺的人提供了希望。
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