英语词汇“ultramarathon”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	ultramarathon
释义	ultramarathon /ul'treuh mar"euh thon', -theuhn/, n. any footrace of 50 or more miles. [1975-80; ULTRA- + MARATHON]
随便看	chronon chronopher chronoscope chronotherapy Chronotron chronotropic -chroous chrys- chrysalid chrysalis chrysanthemum chrysarobin chryselephantine Chryse Planitia Chrysippus Chrysler chryso- chrysoberyl chrysocale chrysocarpous chrysocolla chrysograph chrysography chrysoidine chrysolite

英语词典包含168451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。