a profusion of colour 萬(wàn)紫千紅a private tete-a-tete [新聞學(xué)與傳播學(xué)]兩人之間的私下談話a private conversation 密語(yǔ)私情a private coffer 小金庫(kù)a priori theoretical eapectation [數(shù)學(xué)]先驗(yàn)理論期望值a priori probability density [數(shù)學(xué)]先驗(yàn)概率密度a priori probability [數(shù)] 先驗(yàn)概率a priori error bound [數(shù)學(xué)]先驗(yàn)誤差界限a priori class probability [數(shù)學(xué)]先驗(yàn)類(lèi)概率a priori adj. 先天的；（拉）演繹的，推理的 adv. 先天地；演繹地；推理地a prior estimate 先驗(yàn)估計(jì)；事前估計(jì)a priceless treasure 無(wú)價(jià)之寶a pretty young girl 綺年玉貌a pretty penny 一筆數(shù)目可觀的錢(qián)a pretty pass 困境a pretty kettle of fish 混亂a premature death 死于非命a prelude to mass lay-offs [新聞學(xué)與傳播學(xué)]大規(guī)模裁員的先兆a pregnancy test [醫(yī)藥科學(xué)]妊娠檢查a practical joke 惡作劇