posteriors屁股posterioradj.(在时间；次序上)较后的n.臀部posterior carpal arch[医] 腕背侧网posterior palatal bar后腭杆posterior nasal nerve鼻后神经posterior lateral eye后侧眼(动)posterior hair margin后发际posterior asynclitism利次曼氏倾斜posterior lumbar seta腰后毛posterior embryotoxon(角膜)后胚胎环posterior carpal rete[医] 腕背网posteriori estimation后验估计