posteriorKK [ˏpɔˋstɪrjɚ] /ˌpɔˈstɪɹjɚ/发音形容词1后面的、后方的、背侧的解剖学The injury affected the posterior part of the knee joint.这个伤害影响到膝关节后方的部位。2其后的、较晚的正式These documents are clearly posterior to the events they describe.这些文件显然晚于它们所记载的事件。3后验的统计We updated the posterior probability after collecting more data.搜集更多资料后,我们更新了后验机率。名词1臀部、屁股委婉、诙谐She slipped on the ice and landed on her posterior.她在冰上滑倒,屁股著地。用这个字练口说→