disperse52dispersev驱散drastic53drastica严厉的dynamical54dynamicala电动的有生气的era55eran年代erect56erectvt树立a垂直的extensive57extensivea广泛的faculty58facultyn才能全体教学人员gigantic59gigantica巨大的gloomy60gloomya令人沮丧的imperative61imperativea必要的n必完成的事inference62inferencen推论ingredient63ingredientn组成部分manipulate64manipulatevt操控manual65manualn指南a手的obligation66obligationn义务orbit67orbitv绕轨道运行n轨道perspective68perspectiven远景看法prescribe69prescribevt指示处方procession70processionn队伍proclaim71proclaimvt宣告proficiency72proficiencyn熟练propos