ratchet

英 [ˈrætʃɪt] 美 [ˈrætʃɪt]

n.  (防止倒转的)棘轮,棘齿
vt.  安装棘轮于; 松脱; 把…造成棘齿形; 于…作棘齿; 在…上刻锯齿

复数:ratchets第三人称单数:ratchets现在分词:ratcheting过去式:ratcheted过去分词:ratcheted

机械

BNC.24504 / COCA.21513



牛津词典

noun

  1. (防止倒转的)棘轮,棘齿
    a wheel or bar with teeth along the edge and a metal piece that fits between the teeth, allowing movement in one direction only

    verb

    verb


    柯林斯词典

    1. N-COUNT (防倒转的)棘齿,棘轮
      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 backwards.
      1. The chair has a ratchet below it to adjust the height...
        这把椅子下面有棘轮调整高度。
      2. 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。
    2. V-ERG (使)(工具或机器)发出嗒嗒声
      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.
      1. The rod bent double, the reel shrieked and ratcheted...
        操作杆进一步弯曲,线轴发出刺耳的吱吱声。
      2. She took up a sheet and ratcheted it into the typewriter.
        她拿起一张纸,把它哗哗啦啦地塞到打字机中。
    3. N-SING (形势的)每况愈下,恶化
      If you describe a situation as a ratchet, you mean that it is bad and can only become worse.
      1. ...another raising of the ratchet of violence in the conflict.
        冲突中又一次的暴力升级

    双语例句

    1. The chair has a ratchet below it to adjust the height
      这把椅子下面有棘轮调整高度。
    2. 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。
    3. The rod bent double, the reel shrieked and ratcheted
      操作杆进一步弯曲,线轴发出刺耳的吱吱声。
    4. She took up a sheet and ratcheted it into the typewriter.
      她拿起一张纸,把它哗哗啦啦地塞到打字机中。
    5. We're trying to ratchet down the administrative costs
      我们正在想法控制管理成本。
    6. 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。
    7. But even the highest-yielding equities will suffer if rates ratchet up properly.
      但如果利率上升到一定程度,就连收益最高的股票也会蒙受损失。
    8. China appeared to take a small step Monday to ratchet up economic pressure on Japan.
      为增加对日本的经济压力,周一中国似乎迈出了一小步。
    9. Ratchet wrench extension swing his arms, stretch his neck and shake his head rapidly.
      手摇螺丝扳手接长节摆手、伸直脖子和快速摇头。
    10. Bankers and their representatives contacted news media to ratchet up pressure on lawmakers to finalise a deal.
      银行家和他们的代表人联络了新闻媒体,希望通过对国会议员施加更大压力推动协议最终达成。
    11. I nod to Ratchet, and he follows me into the Ark.
      我朝救护车点头示意,他便与我一起进入了方舟。
    12. Do you have the new ratchet: deadlocked game?
      你有这个最新游戏吗?
    13. Inner ratchet's cold extrusion process design and numerical simulation
      飞壳内棘齿冷挤压成形工艺设计及数值模拟分析
    14. Obviously, the regular crimp wave provides a mechanism for short-range entanglement of the ratchet type.
      虽然,有规则的卷曲波纹能使纤维间短片段内彼此纠缠接触,产生棘轮式机械作用。
    15. Public disenchantment with the EU has spurred the British government to ratchet up its demands.
      英国公众对欧盟抱有的幻想已经破灭,这促使英国政府一步步提高了自己的要求。
    16. Smoking and alcohol ratchet up the damage several more notches.
      吸烟和喝酒加深了这种损伤。
    17. Buying more Treasuries would impact yields, while moving into corporate bonds would ratchet up risk.
      购买更多美国国债将影响收益,而购买公司债券将增加风险。
    18. They have been driven by a ratchet effect.
      它们是棘轮效应驱动下的产物。
    19. This could "easily ratchet up into a broader trade war and inflict economic damage on both countries".
      这可能“很容易地引起广泛的贸易战并多两国造成经济损失”。
    20. New flight paths can be found at Ratchet and Marshall's Refuge, Un'Goro Crater.
      在棘齿城和安戈洛环形山的马绍尔营地增加了新的飞行点。
    21. A high-quality ratchet head guarantees a long service life.
      棘轮头质量高可确保使用寿命长。
    22. No ratchet clauses – rent can go down!
      无棘轮条款–租金可以下调!
    23. Besides while uses special become shape cutting tool time, still can process sprocket or ratchet wheel.
      此外当使用特殊成形刀具时,尚能加工链轮或棘轮等。
    24. A ratchet allows a heavy weight to be raised in short successive stages.
      棘轮可在简短连续的步骤内就把一个重物抬高。
    25. If we don't do something about ratchet, no one will.
      如果我们不和棘轮抗争,没人会。
    26. Research on Ratchet Effect Model of Infinite Stages Based on Mutually-trust System
      基于相互信任系统的无穷期棘轮效应模型研究
    27. The evidence of a ratchet effect is pretty overwhelming: the brain chemically adapts.
      齿轮效应的证据颇为充分:大脑会从化学上适应这一变化。
    28. Each tooth of the ratchet wheel shears the same length and its end is heaved along wheel circumference direction.
      这种棘轮的每个齿都一样长,并且每个齿的末端都沿着轮周方向凸起。
    29. With ratchet, it was making money that came first.
      但棘轮认为赚钱才是第一要务。
    30. Ratchet and I bow our heads, a sign of respect.
      我和救护车都低下头去,向其默哀。

    短语动词

    ratchet down

    1. (使)有一定减少(或降低)  

    ratchet up

    1. (使)有一定上升(或提高)  


    短语用例

    ratchet (sth)↔up

    1. (使)逐渐小幅增长
      to increase, or make sth increase, repeatedly and by small amounts

      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

          Synonym:    rachetratch

        verb

        1. move by degrees in one direction only
          1. a ratcheting lopping tool

          Synonym:    rachet upratchet down