日期:
来源:雅诚德英语网
It can make fine visual distinctions because it is blessed with one million cones per square millimeter in its retina.
它的视网膜上每平方毫米有一百万个视锥细胞,所以它能分辨出很细微的视觉差别。
It can make fine visual distinctions because it is blessed with one million cones per square millimeter in its retina.
它的视网膜上每平方毫米有一百万个视锥细胞,所以它能分辨出很细微的视觉差别。