quintessence

n [sing] the ~ of sth (fml 文) 1 essential part of (a theory, speech, condition, etc) （理论、 讲话、 条件等）的精髓, 精华: Her book captures the quintessence of Renaissance humanism.她的书抓住了文艺复兴时期人文主义的精髓. 2 perfectexample of (a quality) 典范: He is the quintessence oftact and politeness. 他处世谦恭得体.

quid pro quo, quiescence, quiescent, quiet, quieten, quietism, quietist, quietly, quietness, quietude, quietus, quiff, quill, quilt, quin, quince, quincentenary, quinine, Quinquagesima, quinsy, quintessential, quintessentially, quintet, quintuplet, quip, quire, quirk, quirkiness, quirky, quisling, quit, quite, quite a few, quite a little, quite other, quits, quitter, quiver, quixotic, quixotically,