单词	cardinal vowel
释义	cardinal vowel noun : one of a series of 16 invariable vowel sounds set up as a standard for describing the quality of the vowels of any language or speaker Word History Etymology cardinal entry 1
随便看	octahedron octahedrons octal octaler octalest octaller octallest octals octamer octamerous octameter octameters octanal Octandria octandrian octandrious octane octane number octanes octangles octangular octanol octanols registered envelope registered mail

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。