Even the simple trilobite has an eye (complete with its double lens system) that's considered an optical miracle by today's standards.
按照今天的标准，即使是简单的三叶虫，它的眼睛(完美的双镜头系统)也是一个光学奇迹。
Even the simple trilobite has an eye (complete with its double lens system) that's considered an optical miracle by today's standards.
按照今天的标准，即使是简单的三叶虫，它的眼睛(完美的双镜头系统)也是一个光学奇迹。
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