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男性为何无法享受多重高潮？
source link: http://tech.sina.com.cn/d/f/2018-04-03/doc-ifyswxnq1786175.shtml
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来源：利维坦利维坦按：个人完全不建议男性没事了就训练自己“忍精不射”，从医学的角度看，精液从精囊中出来以后有两条路可以走，一条通向尿道口，另一条通向膀胱。正常男性在射精时，由于神经的刺激，体内膀胱入口会因为局部肌肉组织收缩和血管充血而关闭，
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