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	oil feeding system oil feeding tank oil felt pad oil fence oil field oil field oil field oil field chemical oil field chemicals oil field emulsion oil field gas oil field tank oil filled cable oil filled capacitor oil filled type circuit breaker oil filler oil filler cap oil filler hole oil filler pipe oil filler plug oil filling pipe oil filling platform oil filling regulator oil film oil film bearing

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。