英语词汇labor in vain是什么意思，labor in vain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	labor in vain
释义	DEFINITIVE EXAMPLES 权威例句〔labor〕She has labored in vain to convince them to accept her proposal.她努力说服他们接受她的提议，最终是白费力气。韦氏高阶
随便看	radio map radio marker beacon radio marker beacon station radio mast radio mast radio merit radio metal locator radio meteorological service radio meteorology radio mirage radio mirror radio monitor radio movies radio navigation radio navigation guidance radio navigation land station radio navigation mobile station radio navigation service radio navigation station radio nebula radio net radio news radio news radio news radio noise

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。