| 单词 | cardinal vowel | 
| 释义 | cardinal vowelnoun  : 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   | 
| 随便看 | 
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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。