在人类的眼睛里，各种各样的圆状细胞帮助我们分辨颜色。

In human eyes, a variety of cone cells helps us to distinguish between colors.

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但鲨鱼缺少圆状细胞，这种细胞可以对不同波长的光线分别作出反应。在人类的眼睛里，各种各样的圆状细胞帮助我们分辨颜色。

Yet the sharks lacked cone cells, which respond individually to light at specific wavelengths. In human eyes, a variety of cone cells helps us to distinguish between colors.

youdao

但鲨鱼缺少圆状细胞，这种细胞可以对不同波长的光线分别作出反应。在人类的眼睛里，各种各样的圆状细胞帮助我们分辨颜色。

Yet the sharks lacked cone cells, which respond individually to light at specific wavelengths. In human eyes, a variety of cone cells helps us to distinguish between colors.

youdao