英语词汇“of unknown origin”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	of unknown origin
释义	of unknown origin idiom —used to say that the source or cause of something is not known a disease of unknown origin
随便看	Rio Grande do Sul Rio ipecac Rio Rancho Riodinidae rioes rioja riojas Rioni rios riot riot act riot acts riot grrrl riot grrrls riot gun rioted rioter rioters rioting riotingly riotings riotise riotous riotouser riotousest

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。

of unknown origin