If the gene therapy could make the white hair of an albino mouse turn black, it should also help banish gray hair - without dyes.

如果基因疗法能使患白化病的老鼠毛发变黑，那不用染发剂而使用基因疗法也应该有助于消除灰白头发。

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One of them, after grooming itself, turn round its neck to rest on the back, then buries its long red beak under its wings and quietly close its small black eys tucked away among the white fine hair.

一个已修饰完毕的，弯曲它的颈到背上，长长的红嘴藏没在翅膀里，静静合上它白色的茸毛间的小黑眼睛，仿佛准备睡眠。

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