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  1. head restraint

    • n.
      a headrest on the seat of a vehicle that prevents the head from jerking back suddenly in the event of a collision or sudden stop
    • noun: head restraint, plural noun: head restraints

    • 釋義

    名詞

    • 1. a headrest on the seat of a vehicle that prevents the head from jerking back suddenly in the event of a collision or sudden stop some head restraints sit too far forward and are uncomfortable