a device consisting of a circular canopy of cloth on a folding metal frame supported by a central rod, used as protection against rain
伞;雨伞。
〈喻〉 保护伞
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the American nuclear umbrella over the west .美国对西方的核保护伞。
a screen of fighter aircraft or anti-aircraft artillery
(战斗机或高射炮构成的)掩护幕;防空火网。
[usu. as modifier]a thing that includes or contains many different elements or parts
多成分组成物;综合机构
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an umbrella organization .综合性机构。
【动】 (水母)伞膜。
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take/have an umbrella 带把伞
真题例句:
"early 17th cent.: from Italian