posteriorlyadv.其次地；后来地posterioradj.(在时间；次序上)较后的n.臀部posterior tracheal band气管后带posterior tibial artery胫后动脉posterior facial height后面高度posterior amniotic fold[医] 后羊膜褶posterior orbital gyrus眶后回posterior scrotal veins阴囊后静脉posterior capsular tear后囊posterior axillary fold腋后襞posterior labial nerves阴唇后神经posterior pelvic artery骨盆后动脉； 髂内动脉