Another approach is to put electrodes on the scalp, but the signals aren't very clear because they must pass through skin and bone.

另一种方法是在头皮上分布电极，但是由于信号必须穿透皮肤和头骨，信号不是很清晰。

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His left arm was amputated, he needed skin grafts, and his badly gashed scalp swelled like a balloon.

他的左臂被截，皮肤也需要移植，严重划伤的头皮肿得像个气球。

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It's most commonly found on your face, lips, ears, back of your hands, forearms, scalp or neck - areas of skin typically exposed to the sun.

最常发生部位为面部、唇、手背、耳后、头皮或颈部——也是皮肤最易暴露于日光下的部位。

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Body-hair removal, facial and scalp hair manipulation, skin care men basically do the same things, but are more secretive about them.

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Even the hair on Wiens' head, from the mid-scalp area, is part of the donor skin (the hair on the back of Wiens' head is his own).

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While burn damage is normally patched with pieces of excess skin from a person's own body, this does not work if the whole face needs to be covered -- the skin of the entire back is less than half of what would be needed to cover the full face and scalp, Siemionow said.

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