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	hydrogels hydrogen hydrogen bomb hydrogen bond hydrogen bonding hydrogen bromide hydrogen chloride hydrogen cyanide hydrogen dioxide hydrogen electrode hydrogen fluoride hydrogen iodide hydrogen ion hydrogen oxide hydrogen peroxide hydrogen selenide hydrogen sulfide hydrogen-ion concentration hydrogenase hydrogenases hydrogenate hydrogenated hydrogenates hydrogenating hydrogenation

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。