U

听听怎么读
[ju:]
是什么意思
  • 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
    学习怎么用

    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 ...