单词	ultrarational
释义	ultrarational adjective ul·​tra·​ra·​tio·​nal ˌəl-trə-ˈrash-nəl  -ˈra-shə-nᵊl : extremely rational or reasonable an ultrarational decision ultrarational theories Word History First Known Use 1894, in the meaning defined above
随便看	humpback humpback grunt humpback salmon humpback sucker humpback whale humpbacked humpbacked salmon humpbacked whitefish humpbacks humped humped cattle Humperdinck humpers humph humphed humphing Humphrey humphreys Humphreys Peak humphs humpier humpies humpiest humpinesses humping

英语词典包含469781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。