单词	Miacidae
释义	Miacidae plural noun Mi·​ac·​i·​dae mīˈasəˌdē : a family of primitive generalized carnivorous mammals widely distributed from the Palaeocene through the lower Oligocene, sometimes classed with the creodonts, but probably being early ancestral types of the Fissipeda Word History Etymology New Latin, from Miacis, type genus + -idae
随便看	train guard train line train of rolls train of thought train off train oil train order train pipe train set train shed train sheet train sickness train signal train stop train tackle train with train wreck train wrecks train, lake train-mile trainabilities trainability trainable trainabler trainablest

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。