单词	Mach cone
释义	Mach cone noun : the conical pressure wave front produced by a body moving at a speed greater than that of sound Word History Etymology after Ernst Mach
随便看	aunt sallies Aunt Sally aunt-in-law aunthood aunthoods auntie aunties auntlier auntliest auntlike auntly aunts aunts-in-law auntsary aunty aur aura aurae aural aural harmonic auraler auralest aurality auraller aurallest

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。