ratchet

音标发音

• 英式音标 [ˈrætʃ.ɪt]
• 美式音标 [ˈrætʃ.ɪt]
• 国际音标 ['rætʃit]
• 英式发音
• 美式发音

基本解释

• n.棘轮；棘齿
• v.（使）渐进
• =rachet.

同根派生

英汉例句

• He fears inflation will ratchet up as the year ends.
  他害怕通货膨胀会在年终更加严重。
• A ratchet mechanism transfers the thread from spool to bobbin.
  一种棘齿装置把线从线轴转到梭心上。
• The chair has a ratchet below it to adjust the height.
  这把椅子下面有棘轮调整高度。
• He fears inflation will ratchet up as the year ends.
  他害怕通货膨胀会在年终更加严重。
• We're trying to ratchet down the administrative costs.
  我们正在想法控制管理成本。

词组短语

短语

• RESCUE RATCHET 救护车
• ratchet drill 棘轮扳钻;棘轮凿岩机;[机]棘轮摇钻;手扳钻
• Ratchet buckle 棘轮扣;拉紧器;齿轮扣带;手拉器
• friction ratchet 摩擦棘轮机构;摩擦式棘轮;摩擦棘轮
• ratchet purchase 棘齿起重设备

英英字典

剑桥英英字典

• a part of a machine that allows movement in one direction only. It is usually a wheel with teeth-like parts that either slide over or lock against the free end of a bar.

柯林斯英英字典

• In a tool or machine, a ratchet is a wheel or bar with sloping teeth, which can move only in one direction, because a piece of metal stops the teeth from moving backward.
• If a tool or machine ratchets or if you ratchet it, it makes a clicking noise as it operates, because it has a ratchet in it.

专业释义

机械工程

• 棘轮
• 棘爪

艺术学

• 齿轮剐响器

计算机科学技术

• 棘轮
• 棘爪