unhelpful adj.無(wú)用的；無(wú)益的；不給予幫助的；不予合作的unheedingly adv.不留心地；不理會(huì)地unheeding adj.不小心的；不注意的；不理會(huì)的unheedful adj.【古】不注意的unheeded (adj.) unheeded adj.未被注意的；忽視的unheating hothouse [農(nóng)業(yè)科學(xué)]不加溫溫室unheated air drying shed [材料科學(xué)]風(fēng)干房unheated adj.不熱的unhearing adj.耳聾的unheardof adj.前所未聞的(空前的；沒(méi)有前例的)unheard-of adj. 空前的；前所未聞的unheard of unheard (adj.) unheard adj. 前所未聞的；聽(tīng)不到的；未被注意的unhearable adj.無(wú)法聽(tīng)到的unhealthy trend 歪風(fēng)unhealthy tendency 不正之風(fēng)unhealthy (adj.) unhealthy adj.不健康的；有害健康的；病態(tài)的或不正常的