单词	quadrivalent
释义	quad·ri·va·lent (kwŏd′rə-vālənt) adj. Tetravalent. quad′ri·valence, quad′ri·valen·cy n.
随便看	polyphenol polyphenolic polyphone polyphonic polyphonically polyphonous polyphonously polyphony polyphyletic polyphyletically polyphyly polyploid polyploidy polypnea polypneic polypod polypody polypoid polypore polyposis polypropylene polyprotic polyptych polyrhythm polyrhythmic

英语词典包含135693条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。