(of a disease or poison) extremely severe or harmful in its effects (疾病,毒药)致命的;剧毒的 ■(of a pathogen, especially a virus) highly infective (病原体,尤指病毒)传染性极强的
bitterly hostile 充满敌意的;恶毒的 a virulent attack on liberalism. 对自由主义恶毒的攻击。
派生 virulence noun virulently adverb 语源
late Middle English (originally describing a poisoned wound): from Latin virulentus, from virus 'poison' (see virus)