Severen泽韦伦severeadj.严厉的；严重的；剧烈的；严格的；严峻的Severe lung infection重度肺部感染severe acoustic noise严重音响噪声severe human disaster重大人群灾难事件severed head impeller首级叶轮severe complex trauma严重多发性创伤Severe birth asphyxia严重的出生窒息severe encephalitis B重型乙型脑炎severe drought events严重干燥事件severe asthenospermia严重弱精子症severe liver diseases重型肝炎