posteriors屁股posterioradj.(在时间；次序上)较后的n.臀部posterior teeth loss后牙缺失posterior neuroporus尾神经孔, 后神经孔posterior vitrectomy眼后段玻璃体切割术posterior median eye后中眼(动)posterior staphyloma后葡萄肿,眼后葡萄肿posterior comparison事后比较posterior vaginismus后侧阴道痉挛posterior tuberosity后瘤Posterior epiglottis后会厌posterior microtubule后微管(动)