umbrella 隐藏摘要 
雨伞
um int. 嗯
umbrella n. 雨伞
U.N./UN(缩) ? =the United Nations? n. 联合国
http://www.bangshou2004.com/BBS/Announce/announce.asp?AFirst=37&Ap=2&BoardID=3&ID=39&Upflag=1 - 基于326个网页
284. umbrella(NMET1999)
285. umbrella
286. unusually不寻常 (unusual不寻常的)
http://www.bangshou2004.com/BBS/Announce/announce.asp?AFirst=37&Ap=2&BoardID=3&ID=39&Upflag=1 - 基于203个网页
伞,伞形物
umbrascopy ①X射线透视检查 ②视网膜镜检查
umbrella 伞,伞形物
umbrella probang 伞形除鲠器
http://www.dic123.com/dictionary/hardening+by+high-frequency+current.htm - 基于41个网页
伞,雨伞
ugly adj. 丑陋的,难看的;讨厌的
umbrella n. 伞,雨伞
uncle n. 叔,伯,舅,姨父,姑父
http://zhidao.baidu.com/question/59628900.html - 基于37个网页
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