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U

U1
[ju?]
(亦作 u)
(pl. Us U's)
  1. the twenty-first letter of the alphabet
    英語(yǔ)字母表中第二十一個(gè)字母
    ■denoting the next after T in a set of items, categories, etc
    U項(xiàng),U類(lèi)(一組項(xiàng)目、分類(lèi)中的第二十一位)
  2. (U)a shape like that of a capital U, especially a cross section
    (尤指橫截面)U字形
    [in combination]U-shaped glaciated valleys.
    U字形冰蝕谷。

U2
[ju?]
abbreviation for
  1. ■(in names of sports clubs) United
    (體育俱樂(lè)部名)同United
    Newcastle U.
    紐卡斯?fàn)柭?lián)隊(duì)。
    ■(Brit.)universal (denoting films classified as suitable without restriction)
    (英)。 (電影分級(jí))同 universal
    ■Uruguay (international vehicle registration)
    同 uruguay(國(guó)際車(chē)輛注冊(cè)用語(yǔ))
symbol for
  1. the chemical element uranium
    鈾,鈾元素

U3
[ju?]
adjective
  1. (informal, chiefly Brit.)(of language or social behaviour) characteristic of or appropriate to the upper social classes
    (非正式,主英)(語(yǔ)言,社會(huì)行為)上流社會(huì)的,上等階層的
    U manners.
    上流社會(huì)的禮儀。
語(yǔ)源
  1. abbreviation of upper class; coined in 1954 by Alan S. C. Ross, professor of linguistics, the term was popularized by its use in Nancy Mitford's Noblesse Oblige (1956)

U4
[u?]
noun
  1. a Burmese title of respect before a man's name, equivalent to Mr
    (置于緬甸男子姓名前表示尊稱(chēng),相當(dāng)于Mr)先生
    U Thien San.
    天山先生。
英語(yǔ)寶典
考試詞匯表