英语词汇“vain efforts”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	vain efforts
释义	vain efforts 基本例句徒劳 All their efforts seemed helpless.他们的一切努力似乎是徒劳的。 It is vain to attempt to root out heresy by force.试图用暴力消除异端邪说是徒劳的。
随便看	step search step-search-diameter step secter step section step sector step-sector disk step sector method STEP Secure Tunneling Establishment Protocol step sedimentation model step selection Steps energy impact step-separating contrary teaching style step separation interference step sequence step series step servomotor step servo motor step-servo motor step-servo system Step-servp step settling time steps experiment STEPSforming part of buildings steps for model steps forward