单词	rufous hummingbird
释义	rufous hummingbird noun : a hummingbird (Selasphorus rufus) of the western U.S. with a chiefly reddish brown male Word History First Known Use 1812, in the meaning defined above
随便看	trackwalker trackwalkers trackway trackways tracs tract tract house tract houses tract index tract society tractabilities tractability tractable tractableness tractablenesses tractabler tractablest tractablier tractabliest tractably Tractarian Tractarianism tractarianisms tractarians tractate

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。