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  1. jackknife

    • IPA[ˈdʒaknʌɪf]

    英式

    • n.
      a large knife with a folding blade.;a dive in which the body is first bent at the waist and then straightened.
    • v.
      move one's body into a bent or doubled-up position;(of an articulated vehicle) bend into a V-shape in an uncontrolled skidding movement
    • noun: jackknife, plural noun: jackknives

    • 釋義
    • 相關詞

    名詞

    • 1. a large knife with a folding blade.
    • 2. a dive in which the body is first bent at the waist and then straightened.
    • 3. a method of assessing the variability of data by repeating a calculation on the sets of data obtained by removing one value from the complete set.

    動詞

    • 1. move one's body into a bent or doubled-up position she jackknifed into a sitting position
    • (of an articulated vehicle) bend into a V-shape in an uncontrolled skidding movement the accident happened when a lorry jackknifed
    • (of a diver) perform a jackknife.
    • n.
      a burrowing bivalve mollusk with a long, slender shell that resembles the handle of a straight ...

    Oxford Dictionary

    • n.
      a burrowing bivalve mollusk with a long, slender shell that resembles the handle of a straight ...

    Oxford American Dictionary

    • n.
      a strikingly marked fish with a long upright dorsal fin, which lives among rocks and corals in ...

    Oxford Dictionary

    • n.
      a strikingly marked fish with a long upright dorsal fin, which lives among rocks and corals in ...

    Oxford American Dictionary

    • 更多解釋
    • IPA[ˈjakˌnīf]

    美式

    • n.
      a knife with a folding blade.
    • v.
      move one's body into a bent or doubled-up position: she jackknifed into a sitting position the Major jackknifed his thin body at the waist

    Oxford American Dictionary