umbrella 基本解释
n. 雨伞；〈比喻〉保护物；[军]空中掩护幕；总括
umbrella 词性变化
名词复数形式:umbrellas
中文词源
umbrella 伞
来自拉丁语umbra,阴影，影子，词源同adumbrate, umbrage,-ella, 小词后缀。用来指遮阳伞或雨伞。
词组短语
1、banana umbrella 小黑伞
2、air umbrella 空中掩护,空中掩护机群
3、an umbrella barrage 防空火力网,密集拦阻射击
4、earleaved umbrella tree [网络] 耳朵伞树
5、fold an umbrella 收伞
6、folding umbrella 折叠伞
7、Japanese umbrella pine [网络] 日本伞松
8、nuclear umbrella 核保护伞
9、open an umbrella 撑伞
10、put up the umbrella 撑伞
11、umbrella antenna [电] 伞形天线
12、umbrella articles [法] 总括条款
13、umbrella arum [网络] 伞伞
14、umbrella bird [鸟类]亚马孙伞鸟(Cephalopterus ornatus,产于南美洲)[亦作 umbrellabird]
15、umbrella effect [化] 伞效应
16、umbrella fern [网络] 伞蕨
17、umbrella iris [医] 虹膜膨起
18、umbrella magnolia 三瓣木兰
19、umbrella pine 日本金松
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