n.雨伞；〈比喻〉保护物；[军]空中掩护幕；总括 变形： 复数：umbrellas 双语释义：n.(名词)[C] (雨)伞 folding frame of spokes attached to a stick and handle and covered with fabric, used to shelter a person from rain[C] 起保护作用的力量〔势力〕 any kind of general protecting force or influence英英释义： umbrell