Head and neck muscles often tighten during sexual activity, and blood pressure can increase at orgasm, causing blood vessels in the brain to dilate, a condition technically named coital cephalgia.
在
活动
,头部和颈部的肌肉通常会收缩,而


血压会增
。这些情况会导致大脑
的血管扩张,在学术上这种情况被
“
交
头痛”。



那感觉转移到最容易得到
。
速英语_科技
见,这可


