基本解釋adj.無(wú)傚的;無(wú)用的同根派生futilely adv. 無(wú)益地,無(wú)傚地,無(wú)用地futileness n. 無(wú)益,無(wú)傚,無(wú)用futilely相關(guān)詞英漢例句用作形容詞 (adj.)用作表語(yǔ): S+be+~Their efforts to revive him were futile.他們對(duì)他搶救無(wú)傚。futilely更多例句