umbrella

1.伞；雨伞；阳伞an object with a round folding frame of long straight pieces of metal covered with material, that you use to protect yourself from the rain or from hot sun

2.综合体；总体；整体a thing that contains or includes many different parts or elements

1.伞,雨伞;〈罕〉(遮)阳伞

2.〈比喻〉保护,保护伞

3.【军】(由战斗机构成的)空中掩护幕;(防止敌机的)掩护火力网

4.【动】水母[海蜇]的伞膜;伞具

5.【船】烟囱顶罩

1.伞状的,似伞的

2.包罗众多的,机构庞大的

1.以战斗机队保护伞保护;掩护

2.用伞遮覆

1.an object that you hold over your head when it is raining; a similar but larger object that you use to protect yourself from the sun, for example on the beach or over a table; a parasol

2.a single large group that separate groups belong to or are protected by

3.something that gives protection

1.an umbrella organization consists of a lot of smaller groups

2.an umbrella word is used for talking about a lot of specific things of the same general type