Even after you orgasm , you still have that pre-orgasm feeling of genital engorgement .

甚至是你高潮之后你仍然会有高潮前生殖器充血的感觉。

Nitric oxide in turn stimulates the blood vessel dilator cgmp , the on / off switch for engorgement and erection .

一氧化氮刺激血管扩张肌的环鸟苷酸（cgmp），环鸟苷酸是充血和勃起的开关。