单词	quadrennial
释义	quad·ren·ni·al (kwŏ-drĕnē-əl) adj. 1. Happening once in four years. 2. Lasting for four years. quad·renni·al n. quad·renni·al·ly adv.
随便看	trichromacy trichromat trichromatic trichromatism trichrome trichromic trichuriasis Tri-Cities Tri-City trick tricker trickery trickily trickiness trickish trickishly trickishness trickle trickle charge trickle-down trickle-up trick or treat trick-or-treat trick out trick out (or up)

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。