The operation on one eye takes about 10 to 15 minutes.
一只眼睛的手术大约需要10到15分钟。
The human eye can detect more than 10, 000, 000 different colors!
人类的眼睛可以分辨超过10 000 000种不同的颜色。
In 2008, scientists from the University of Copenhagen, found that all people with blue eyes were descended from a single ancestor with a blue eye mutation who lived six to 10, 000 years ago.
2008年,哥本哈根大学的科学家们发现所有蓝眼睛的人都有一个共同的祖先,这位祖先生活在10,000年以前,眼睛出现蓝色变异。
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