posterior lip后唇posterioradj.(在时间；次序上)较后的n.臀部posterior vesicourethral angle[医] 膀胱尿道后角Posterior Secondary Enrichment期后次生富集posterior deep temporal artery颞深后动脉Posterior corpus callosal vein胼胝体后静脉posterior supratrochlear fossa鹰嘴窝posterior intercostal arteries肋间后动脉posterior longitudial ligament后纵韧带posterior tibial vascular flap小腿内侧皮瓣posterior movement of mandible下颌骨后退Posterior cusp of aortic valve主动脉瓣后尖