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u    音标拼音: [j'u]
n. 字母u

字母u

u
adj 1: (chiefly British) of or appropriate to the upper classes
especially in language use
n 1: a base containing nitrogen that is found in RNA (but not in
DNA) and derived from pyrimidine; pairs with adenine [synonym:
{uracil}, {U}]
2: a heavy toxic silvery-white radioactive metallic element;
occurs in many isotopes; used for nuclear fuels and nuclear
weapons [synonym: {uranium}, {U}, {atomic number 92}]
3: the 21st letter of the Roman alphabet [synonym: {U}, {u}]

Molt \Molt\, Moult \Moult\, v. i. [imp. & p. p. {Molted} or
{Moulted}; p. pr. & vb. n. {Molting} or {Moulting}.] [OE.
mouten, L. mutare. See {Mew} to molt, and cf. {Mute}, v. t.]
[The prevalent spelling is, perhaps, {moult}; but as the {u}
has not been inserted in the otherwords of this class, as,
bolt, colt, dolt, etc., it is desirable to complete the
analogy by the spelling {molt}.]
To shed or cast the hair, feathers, skin, horns, or the like,
as an animal or a bird. --Bacon.
[1913 Webster] Molt


U \U\ ([=u]),
the twenty-first letter of the English alphabet, is a cursive
form of the letter V, with which it was formerly used
interchangeably, both letters being then used both as vowels
and consonants. U and V are now, however, differentiated, U
being used only as a vowel or semivowel, and V only as a
consonant. The true primary vowel sound of U, in Anglo-Saxon,
was the sound which it still retains in most of the languages
of Europe, that of long oo, as in tool, and short oo, as in
wood, answering to the French ou in tour. Etymologically U is
most closely related to o, y (vowel), w, and v; as in two,
duet, dyad, twice; top, tuft; sop, sup; auspice, aviary. See
{V}, also {O} and {Y}.
[1913 Webster] See Guide to Pronunciation, [sect][sect]
130-144.
[1913 Webster]


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  • YouTube
    Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube
  • U - Wikipedia
    U (minuscule: u) is the twenty-first letter and the fifth vowel letter of the Latin alphabet, used in the modern English alphabet and the alphabets of other western European languages and others worldwide Its name in English is u (pronounced ˈjuː ⓘ), plural ues [1][2] [full citation needed][3][a]
  • U Los Angeles
    Second-generation mastery from a private high-jewelry workshop, remade for the way Los Angeles lives — solid gold and certified stones, built to be worn from a white tee to a gallery opening «Preserving the past, looking into the future » — Founder, GIA gemologist Golden hour, set in 18K gold
  • U - YouTube
    Official channel from U, the free streaming service for great TV and more – featuring full-length episodes, compilations and clips Whether you're in the mood
  • U (disambiguation) - Wikipedia
    U, or u, is the twenty-first letter of the English alphabet U may also refer to: The prefix U+ (then a number) is used to indicate a codepoint as being in the Unicode character encoding system (to distinguish it from other encoding systems)
  • U Definition Meaning - Merriam-Webster
    Browse 8,266 words and phrases that start with the letter U, from uakari to Uzbek “U ” Merriam-Webster com Dictionary, Merriam-Webster, https: www merriam-webster com dictionary u Accessed 9 Nov 2026 Love words? Need even more definitions? The meaning of U is the 21st letter of the English alphabet
  • u - Wiktionary, the free dictionary
    u (lower case, upper case U, plural us or u's) The twenty-first letter of the English alphabet, called u and written in the Latin script I prefer the u in Arial to the one in Times New Roman u (plural ues) The name of the Latin script letter U u
  • U - Simple English Wikipedia, the free encyclopedia
    In chemistry, U is the symbol for uranium Sometimes used as a short form of "you" It is the seventh letter on the QWERTY keyboard This short article can be made longer You can help Wikipedia by adding to it
  • U, u | English meaning - Cambridge Dictionary
    U, u definition: 1 the 21st letter of the English alphabet 2 abbreviation for universal: in the UK, a film or a… Learn more
  • U - Watch FREE On Demand | Drama | Comedy | Entertainment
    Crime drama set in Victorian London starring Kate Phillips as headstrong Eliza Scarlet Comedy about a dead woman who is sent to a heaven-like utopia by mistake Description: Crime drama set in London's wealthy and beautiful Chelsea neighbourhood ; Category: Crime Drama; 32 episodes available Description: Bangers Cash spin-off series ;





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