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  1. arc

    • IPA[ɑːk]

    英式

    • n.
      a part of a curve, especially a part of the circumference of a circle;a shape or structure resembling an arc
    • v.
      move with a curving trajectory;form an electric arc
    • verb: arc, 3rd person present: arcs, gerund or present participle: arcing, past tense: arced, past participle: arced

    • noun: arc, plural noun: arcs

    • 釋義
    • 相關詞

    名詞

    • 1. a part of a curve, especially a part of the circumference of a circle the point where a tangential line touches the arc of a circle
    • a shape or structure resembling an arc the huge arc of the sky
    • a curving trajectory he swung his torch in a wide arc
    • indicating the inverse of a trigonometrical function.
    • 2. a luminous electrical discharge between two electrodes or other points modern welding generators are designed so that there is a high voltage for striking the arc
    • 3. (in a novel, play, or film) the development or resolution of the narrative or principal theme his transformation provides the emotional arc of the story

    動詞

    • 1. move with a curving trajectory the ball arced across the room
    • 2. form an electric arc the outage was caused by a bad switch that arced I have no idea whether they touched the power lines or arced
    • n.
      a light source using an electric arc.

    Oxford American Dictionary

    • n.
      a furnace that uses an electric arc as a heat source, especially for steelmaking.

    Oxford American Dictionary

    • n.
      a mathematical function that is the inverse of the sine function.

    Oxford Dictionary

    • n.
      a technique in which metals are welded using the heat generated by an electric arc.

    Oxford American Dictionary

    • n.
      a light source using an electric arc.

    Oxford Dictionary

    • n.
      a mathematical function that is the inverse of the tangent function.

    Oxford Dictionary

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    • IPA[ärk]

    美式

    • n.
      a part of the circumference of a circle or other curve: the point where a tangential line touches the arc of a circle
    • v.
      move with a curving trajectory: the ball arced across the room

    Oxford American Dictionary

    • IPA[ɑːk]

    英式

    • abbr
      (in the UK) Agricultural Research Council.

    Oxford Dictionary

    • IPA[ärk]

    美式

    • abbr
      AIDS-related complex.

    Oxford American Dictionary