英语词汇但都徒劳无功是什么意思，但都徒劳无功的用法、释义、翻译、读音、例句、短语词组-英汉汉英翻译词典-觉斋网

单词	但都徒劳无功
释义	DEFINITIVE EXAMPLES 权威例句〔unavailing〕Efforts to reach the people named in the report proved unavailing.联系过报告中所提到的那些人，但都徒劳无功。柯林斯高阶
随便看	native substrate native sulfate of barium native sulfur native system demand native tongue native tongue native trait native uranium native vegetation native vegetation native witness native word native word native-born native-born native-born native-born native-speaker native-speaker nativeborn Nativelle's digitalin natively natively natives natives

觉斋网英汉汉英翻译词典包含1679246条英汉翻译词条，基本涵盖了全部常用英语单词及常用语的翻译及用法，是英语学习及翻译工作的有利工具。