9CaKrnK4kO3 v.huanqiu.comarticle人类精子数40年减少一半 或致人类灭绝/e3pmh2fmu/e3ptgqp01/e3ptgqpip1501139700000责编:iqiyi爱奇艺15011397000001[]//himg2.huanqiucdn.cn/attachment2010/2017/0727/20170727033003986.jpg