話說(shuō)唐僧師徒四人逶迤來(lái)到萬(wàn)壽山五莊觀,是時(shí)觀主鎮(zhèn)元子赴元始天尊處聽(tīng)道聞法,已預(yù)先囑咐徒兒清風(fēng)和明月用人參果款待東土高僧。這人參果是人間罕見(jiàn)的珍饈美味,吃上一口便可延年益壽,長(zhǎng)生不老??墒翘粕?jiàn)人參果是