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	predicting shape predicting the future prediction prediction prediction prediction prediction estimation prediction filter prediction function prediction of failure prediction of time series prediction operator prediction optimization prediction procedure prediction sequence prediction technique prediction theory predictions predictions predictions predictive predictive predictive predictive predictive analysis

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