这个大小与你的小指指甲一样，全都放在皮肤下，所以你只要发出信息就可以驱动。

The size is of your pinky fingernail, all within the skin, so you can just turn out your information to drive.

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大部分时间里，撕裂发生的速度与人类指甲生长的速度一样——每年大概16毫米。

For most of the time, this happens at around the same speed that human fingernails grow - about 16mm a year.

youdao

像犀牛角，其主要成分是角质，与人的毛发和指甲一样富含纤维蛋白质。不过，有些地区的人还认为犀牛角可以壮阳。

Rhino horns, for example, are mostly made of keratin, the same fibrous protein found in human hair and fingernails, but people in some cultures still think of them as an aphrodisiac.

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