翻译
  • 简明

  • ratch

    • 英 [rætʃ]
    • 美 [rætʃ]

    释义

    • n.
      （防倒转的）棘齿; 齿杆

  • 英英释义

    Noun

    • 1. mechanical device consisting of a toothed wheel or rack engaged with a pawl that permits it to move in only one direction
  • 释义
  • 英英释义