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问:我一直都使用电动剃须刀,这几天不知为什么鼻、唇、下颌及面颊部皮肤发红、奇痒,请问这是咋回事?
Q: I always use electric shavers, these days I do not know why the nose, lips, jaw and cheek skin redness, itchy, may I ask what is going on?