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  1. Oxford Dictionary

    dual

    • IPA[ˈdjuːəl]

    英式

    • adj.
      consisting of two parts, elements, or aspects；(in some languages) denoting an inflection that refers to exactly two people or things (as distinct from singular and plural).
    • n.
      a dual form of a word.；the dual number.
    • v.
      convert (a road) into a dual carriageway

    • noun: dual, plural noun: duals

    • 釋義
    • 相關詞

    形容詞

    • 1. consisting of two parts, elements, or aspects their dual role at work and home dual-language texts in English and Italian
    • ▪ (in some languages) denoting an inflection that refers to exactly two people or things (as distinct from singular and plural).
    • ▪ (in an aircraft) using dual controls a dual flight
    • 2. (of a theorem, expression, etc.) related to another by the interchange of particular pairs of terms, such as ‘point’ and ‘line’.

    名詞

    • 1. a dual form of a word.
    • ▪ the dual number.
    • 2. a theorem, expression, etc., that is dual to another.

    動詞

    • 1. British convert (a road) into a dual carriageway though there are no plans to dual the road, a public consultation on the A64 is set to start before the end of the year

    dual control

    • adj.
      (of an aircraft or vehicle) having two sets of controls, one of which is used by the instructor: a dual-control pilot trainer
    • n.
      two sets of controls in an aircraft or vehicle.

    Oxford American Dictionary

    dual control

    • adj.
      (of an aircraft or vehicle) having two sets of controls, one of which is used by the instructor: a dual-control pilot trainer
    • n.
      two sets of controls in an aircraft or vehicle.

    Oxford Dictionary

    dual carriageway

    • n.
      a road with a median strip between the traffic in opposite directions and typically two or more ...

    Oxford American Dictionary

    dual heritage

    • n.
      the fact of having parents from different ethnic or cultural backgrounds.

    Oxford Dictionary

    dual nationality

    • n.
      citizenship of two countries concurrently: many of the Lebanese living in West Africa have dual nationality

    Oxford Dictionary

    dual-use

    • adj.
      (of technology or equipment) designed or suitable for both civilian and military purposes.

    Oxford Dictionary

    dual-purpose

    • adj.
      serving two purposes or functions: a dual-purpose hand and nail cream

    Oxford Dictionary

    dual citizenship

    • n.
      citizenship of two countries concurrently: many of the Lebanese living in West Africa have dual nationality

    Oxford American Dictionary

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    dual

    • IPA[ˈdo͞oəl]

    美式

    • adj.
      consisting of two parts, elements, or aspects: their dual role at work and home
    • n.
      a dual form of a word.

    Oxford American Dictionary