网络释义专业释义英英释义
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单位（United）；联合（Union） - 引用次数：64 参考来源 - 美国空军与美国全球战略研究（1947—1969）
·2,447,543篇论文数据，部分数据来源于NoteExpress
U.
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n.
- a base containing nitrogen that is found in RNA (but not in DNA) and derived from pyrimidine; pairs with adenine
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a heavy toxic silvery-white radioactive metallic element; occurs in many isotopes; used for nuclear fuels and nuclear weapons
同义词： uranium U atomic number 92
- the 21st letter of the Roman alphabet
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adj.
(chiefly British) of or appropriate to the upper classes especially in language use
同义词： u
以上来源于: WordNet
柯林斯英汉双解大词典
U.
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1.
ABBREVIATION for union 并集 [maths]
双语例句原声例句权威例句
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The U. N. World Food Programme confirmed the abduction of eight of its workers in northern Darfur.
联合国世界粮食计划署证实其８名工作人员在达尔富尔北部遭到绑架。
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The U. S. envoy was recalled to Washington.
该美国特使被召回了华盛顿。
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Dave made a U-turn on North Main and drove back to Depot Street.
戴夫在北干道掉头，把车开回了第伯街。
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A U.S.State Department spokesman said Wednesday the U.S.embassy in Islamabad was seeking further information about those detained in Pakistan.
VOA: standard.2009.12.11
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And typically, we'll be treating at least some cases where we're dealing with ideal gases in which case we can easily get delta u.
那么我们也可以定出功，对吧？,典型地，我们至少会处理,一些理想气体的情况。
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Some of the most, like famous, I mean, there's General Petraeus who's a big deal in the U.S. military.
有一些人非常出名。例如，美国军队的大人物彼得雷乌斯将军。
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