音標(biāo)發(fā)音英式音標(biāo) [?n?'fekt???l; -tj??l]美式音標(biāo) [??n.??fek.t?u.?l]國際音標(biāo) [,ini'fekt?u?l]英式發(fā)音 美式發(fā)音 基本解釋adj. 無效的，不起作用的；徒勞無益的 n. 無用的人；無一技之長者詞根記憶in(不) + effect(效果) + ual(…的)→不產(chǎn)生效果的→無效的同根派生adj性質(zhì)的同根詞ineffective：無效的，失效的；不起作用的。adv性質(zhì)的同根詞ineffectively：無效地；無用地；無能地。ineffectually：無益地；無效地。n性質(zhì)的同根詞ineffectiveness：無效；不起作用。ineffectual相關(guān)詞英漢例句Teachers often view youth workers as undisciplined and ineffectual.老師們常認(rèn)為青少年工作者紀(jì)律性差且能力低下。Our Intelligence Service was untrained, cumbersome, and almost wholly ineffectual.我們的情報部門人員缺乏訓(xùn)練，機構(gòu)臃腫，簡直毫無用處。He is a well-meaning but ineffectual leader.他是個心有余而力不足的領(lǐng)導(dǎo)者。an ineffectual attempt to reform the law改革法律的徒勞無益的嘗試Teachers often view youth workers as undisciplined and ineffectual.老師們常認(rèn)為青少年工作者紀(jì)律性差且能力低下。ineffectual更多例句詞組短語短語Ineffectual Aid 遠(yuǎn)水不救近火ineffectual effect 無記業(yè)completely ineffectual 完全無效ineffectual bumbler 無能的笨蛋;沒用的笨蛋ineffectual discipline 無效懲戒ineffectual更多詞組英英字典劍橋英英字典 not skilled at achieving, or not able to produce, good results柯林斯英英字典 If someone or something is ineffectual, they fail to do what they are expected to do or are trying to do. ineffectually ineffectual劍橋字典ineffectual柯林斯字典專業(yè)釋義化學(xué)不成功的