但是，当它穿过你肘关节的时候，这条神经特别靠近皮肤，使肘关节其成为一个脆弱的部位。

But when it passes through your elbow joint, the nerve is particularly close to the skin-making it a vulnerable target.

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而是神经、肌肉和皮肤成比例增加的结果，无需进一步修改。

Instead, the nerves, muscles and skin would have grown proportionately without needing further changes in instructions.

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磷对人体中健康的皮肤，头发和神经必不可少。

Phosphorus is essential for healthy skin, hair and nerves.

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