1. Snake meats ── work as two snake copulations, will continue very long period of time (pallas pit viper to be possible to amount to 6~24 hours), will eat the snake meat to be able to cause the sex life effectively the time expand.
3蛇肉──当两条蛇交尾时，会持续很长一段时间(蝮蛇可达6～24小时)，食蛇肉能有效地使性生活的时间延长。