| 单词 | umbrella | 
| 释义 | umbrella1 of 2noun  um·brel·la  ˌəm-ˈbre-lə   especially Southern  ˈəm-ˌbre- 1   : a collapsible shade for protection against weather consisting of fabric stretched over hinged ribs radiating from a central pole    especially : a small one for carrying in the hand  2   : something which covers or embraces a broad range of elements or factors  decided to expand … by building new colleges under a federation umbrella 3   : the bell-shaped or saucer-shaped largely gelatinous structure that forms the chief part of the body of most jellyfishes : bell entry 1 sense 3b   4   : something which provides protection: such as    a    : defensive air cover (as over a battlefront)    b    : a heavy barrage   umbrella2 of 2 verb  umbrellaed; umbrellaing   transitive verb   : to protect, cover, or provide with an umbrella   umbrella nounas in arbora collapsible covering used to protect against rain or sun I always keep an umbrella handy—you never know when you might need one. Synonyms & Similar Words Relevance 
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