英语词汇unheard of levels怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	unheard of levels
释义	unheard of — 一无所闻 levels pl — 水平 n • 两级 pl unheard-of — 前所未闻 of — 的
随便看	structural examination structural expansion structural facilities structural failure structural fatigue structural fatty acid structural fault structural features structural financing structural fire protection structural fiscal reforms structural flexibility structural foam structural foreign currency exposures structural formula structural foundation structural fragility structural frame structural framework structural framing structural function structural funding structural funds structural funds and cohesion fund structural gender inequality

英汉双解词典包含2273206条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。

unheard of —