U什么意思 U音标、翻译、用法
U音标
[ju:]
U翻译
n.
英语字母表的第21个字母；
英英释义
U[ ju: ]
n.a base containing nitrogen that is found in RNA (but not in DNA) and derived from pyrimidine; pairs with adenine
同义词：uracil
a heavy toxic silvery-white radioactive metallic element; occurs in many isotopes; used for nuclear fuels and nuclear weapons
同义词：uraniumatomic number 92
the 21st letter of the Roman alphabet
同义词：letter u
adj.(chiefly British) of or appropriate to the upper classes especially in language use
U用法
词组短语
u turn掉头
权威例句
The u g r i z Standard-Star System
Postwar U.S business cycles: An empirical investigation
Natural Gas from Seaweed: Is Near-Term R&D Funding by the U.S. Gas Industry Warranted?
Pharmaceuticals, Hormones, and Other Organic Wastewater Contaminants in U.S. Streams
Guerilla Warfare & Law Enforcement: Combating the 21st Century Terrorist Cell within the U.S.
Design of Patch Antenna with Inverted U Slot for WiMax Application
Climate Change Effect on Thermal Power Cooling in the U.S.
A prospective study of cigarette smoking and risk of colorectal adenoma and colorectal cancer in U.S. women
Citizenship, College Degrees, and Occupational Outcomes: A Comparison of Latino Immigrants and U.S. Natives at the Turn of the Cen...
Agenda and Notice of a Public Meeting of the State Advisory Committee Chairs of the Southern Region of the U.S. Commission on Civil ...
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