网络释义专业释义英英释义
u [ ju: ]
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n.
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a base containing nitrogen that is found in RNA (but not in DNA) and derived from pyrimidine; pairs with adenine
同义词： uracil
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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 atomic number 92
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the 21st letter of the Roman alphabet
同义词： letter u
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a base containing nitrogen that is found in RNA (but not in DNA) and derived from pyrimidine; pairs with adenine
- adj. (chiefly British) of or appropriate to the upper classes especially in language use
以上来源于: WordNet
柯林斯英汉双解大词典
U
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1.
SYMBOL for united 联合的; 只用于足球队名中
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2.
ABBREVIATION for you 你 [text messaging]
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3.
ADJ (esp of language habits) characteristic of or appropriate to the upper class (语言习惯)上层阶级的 [英国英语] [OLD-FASHIONED, INFORMAL] → compare non-U
U /uː/
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ADJ
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1.
N a Burmese title of respect for men, equivalent to Mr 先生; 缅甸语中对男子的尊称
双语例句原声例句权威例句
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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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He spun the wheel sharply and made a U turn in the middle of the road.
他猛打方向盘，在路中间掉了个头。
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The traditional spelling is d-o-u-g-h-n-u-t but people often just spell it d-o-n-u-t.
VOA: special.2010.04.12
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And now we're almost done, except what we H really want is delta H and not delta U, right.
我们差不多已经完成了,除了我们实际上想要的是Δ
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And the bigger lesson from that is that entropy, unlike energy u or enthalpy H, we could define an absolutely number for it.
热力学第三定律的一个更重要的推论是,与内能和自由焓不同，我们可以给上定义一个绝对的数值。
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