英语词汇无用功是什么意思，无用功的用法、释义、翻译、读音、例句、短语词组-英汉汉英翻译词典-电脑手机教程网

单词	无用功
释义	DEFINITIVE EXAMPLES 权威例句〔either〕When there's a crisis, they either do nothing or do something totally useless.发生危机时，他们或者什么也不做，或者做些无用功。麦克米伦高阶
随便看	sincaline since since since since since always since antiquity since antiquity since birth since long ago since the advent of since the year one since then since then since then since time immemorial since time immemorial since we parted since when sincere sincere sincere sincere sincere apologies sincere apologies

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。