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-觉斋网

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	dipolar addition dipolar adsorbent dipolar aprotic solvent dipolar bond dipolar complexes dipolar coordinates dipolar fluid dipolar interaction dipolar ion dipolar molecule dipolar protophilic solvent dipolar protophobic solvent dipolar shift reagent dipole dipole dipole dipole aerial dipole antenna dipole attraction dipole disc feed dipole dislocation dipole element dipole field dipole hypothesis dipole ion

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