词汇“labor in vain”用英语简单造句子的方法、技巧、例句及翻译-英语例句辞典

单词	labor in vain
例句	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	lucky day lucky devil lucky dog lucky fellow lucky number lucrative lucrative business lucre lucubrations lucullus lucy lud luddite ludens ludicrous ludicrously ludlam ludo luff lufthansa lug lugar luggage luggage compartment luggage office

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