So the scientists got to wondering: what would happen if they gave a boy squirrel monkey the same opsin that girls have.
因此科学家们就考虑：如果给雄性猴子们注入这种雌性猴子拥有的视觉色素会发生什么呢？
A policeman caught a nasty little boy with a penknife in one hand and a squirrel in the other.
一个警察抓住了一个淘气的小男孩，这男孩一手拿铅笔刀，另一手抓着一只松鼠。
A policeman caught a nasty little boy with a penknife in one hand and a squirrel in the other.
一个警察抓住了一个淘气的小男孩，这男孩一手拿铅笔刀，另一手抓着一只松鼠。
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