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  1. A

    • IPA[eɪ]

    英式

    • n.
      the first letter of the alphabet.;denoting the first in a set of items, categories, sizes, etc.
    • noun: A, plural noun: A's

    • 釋義
    • 相關詞
    • 片語
    • n.
      名詞
    • 1. the first letter of the alphabet.
    • 2. denoting the first in a set of items, categories, sizes, etc.
    • 3. denoting the first of two or more hypothetical people or things:

      suppose A had killed B

    • 4. the highest class of academic mark:

      a dazzling array of straight A's

    • 5. (in the UK) denoting the most important category of road, other than a motorway:

      the A34

      busy A-roads

    • 6. denoting the highest-earning socio-economic category for marketing purposes, including top management and senior professional personnel.
    • 7. denoting the first file from the left, as viewed from White's side of the board.
    • 8. the first constant to appear in an algebraic expression.
    • 9. denoting the uppermost soil horizon, especially the topsoil.
    • 10. the human blood type (in the ABO system) containing the A antigen and lacking the B.
    • 11. (with numeral) denoting a series of international standard paper sizes each twice the area of the next, as A0, A1, A2, A3, A4, etc., A4 being 210 × 297 mm.
    • 12. a shape like that of a capital A:

      an A-shape

    • 13. the sixth note of the diatonic scale of C major. The A above middle C is usually used as the basis for tuning and in modern music has a standard frequency of 440 Hz.
    • 14. a key based on a scale with A as its keynote.
    • suf. forming ancient or Latinized modern names of animals and plants:

    • primula

    Powered by Oxford Dictionary of English 3e

    • suf. forming ancient or Latinized modern names of animals and plants:

    • primula

    Powered by New Oxford American Dictionary

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    • 更多解釋

    A

    • IPA[ā]

    美式

    • n.
      the first letter of the alphabet.

    Powered by New Oxford American Dictionary

    A

    • IPA[eɪ]

    英式

    • abbr
      (in card games) ace:
    • you cash ♥AK

    Powered by Oxford Dictionary of English 3e

    a

    • IPA[ā]

    美式

    • dete
      used when referring to someone or something for the first time in a text or conversation.
    • a man came out of the room

      it has been an honor to meet you

    Powered by New Oxford American Dictionary

    A

    • IPA[ā]

    美式

    • abbr
      ace (used in describing play in bridge and other card games):
    • you cash AK of hearts

    Powered by New Oxford American Dictionary

    a

    • IPA[ə]

    英式

    • dete
      used when referring to someone or something for the first time in a text or conversation.
    • a man came out of the room

      it has been an honour to meet you

    Powered by Oxford Dictionary of English 3e

  2. 知識+

    • A- Z 開頭的片語

      :amount to 達到 My saving has ... can't think of anything I need, apart from a car. 除了一輛汽車,我想不出需要什麼。 B:break...from 倖免於...... Mr. Wang had a narrow escape from the accident. 王先生在意外事件中倖免於難...

    • (A of B)?

      ...的時候都會希望把中文的語法套用到外語的用法。 我認為 A of B 是指 B的A。 例如: head of the...capital of Malawi 里朗威,馬拉威的首都 Rumpi, a town in northern Malawi 壤匹,馬拉威北部的一個小鎮...

    • 請問什麼是 in a tenth of a second?

      In a tenth of a second = in a split... around the waist and will inflate in a tenth of a second if it ...able to inflate in literally one-tenth of a second. Anyway, I ...