When these cells lose contact with the root and form the nail body, they die.

当这些老化的细胞失去和根基的联系时，它们便形成了甲体，此时它们已经死亡。

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Nail growth begins at the root, which produces the cells that form the nail body.

指甲的生长从根基处开始，那里可以产生形成甲体的细胞。

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As these cells form they produce keratin, the substance that makes the nail body hard and durable.

这些细胞形成后会产生角蛋白，正是这种物质使得我们的指甲坚固且耐用。

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He catalogued a list of injuries on Noah's head and body: deep internal bruising, abrasions, nail scratches, round focal bruises around his joints indicating squeezing fingertip pressure.

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Whether you are asked to give a toast at a wedding, say a few words at a birthday dinner, nail a sales presentation, or speak to the student body, might as well shoot for the stars.

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