ratchets

英 [ˈrætʃɪts] 美 [ˈrætʃɪts]

n.  (防止倒转的)棘轮，棘齿
ratchet的第三人称单数和复数

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
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双语例句

  1. The move ratchets up competition with Microsoft, maker of the Surface tablets, in the lucrative business market.
    此举加大了与微软在利润丰厚的商务市场的竞争。微软生产Surface平板电脑。
  2. Adenosine is a sort of checks-and-balances chemical produced by neurons as they fire throughout the day; the more adenosine is produced, the more the nervous system ratchets down activity, until we eventually fall asleep and reboot the process.
    腺苷由神经元产生，起制约平衡的作用；产生的腺苷越多，神经系统的活跃性越低，直至我们最终睡去并重新焕发活力。
  3. Eat too little, and your body ratchets down its metabolism.
    吃得太少，身体就会减慢新陈代谢。
  4. As long as real interest rates remain negative in China and become more negative as inflation ratchets up retail bank deposits become ever more unattractive.
    只要中国的实际利率仍为负数并随着通胀率逐步上升，负值越来越大零售银行存款就会变得越来越没有吸引力。
  5. As the bulk of our military effort ratchets down, what we can do – and will do – is support the aspirations of the Libyan people.
    当我们的军事努力继续进行的时候，我们能够继续鼓舞利比亚人民的士气。
  6. The effort involved to throw a party ratchets up several notches, as people host barbecues and picnics and water-skiing parties.
    在他们进行烤肉、野餐和介入水上滑雪派对时，他们会把派对分成几个等级一步步推进。
  7. Like most children before and since, he became fascinated by peering into the workings of a timepiece and watching the movement of ratchets and wheels, springs and pendulums.
    与在此前后的大多数孩子一样，他痴迷于探查计时器的工作方式及观察棘轮、车轮、弹簧和钟摆的运动。不久他就能在卧室里自己做的长凳上给朋友们修理钟表了。
  8. And the fact that you know it must end, but don't know exactly when, ratchets up the annoying factor.
    而且事实上你知道这个对话必须结束，但你不知道确切什么时候结束，这就增加了生气的因素。
  9. Both ratchets were triggered, and the management and staff ended up with a total 20 per cent of the company.
    上述两项递增条款都被触发，高级管理层和员工最终共获得了20%的股权。
  10. The plunger has two opposed ratchets ( 23A, 23B) that align with the one each of the the pawls and thereby or impede, withdrawal of the plunger during or following depression of the plunger.
    该活塞上有两个对置的棘齿条（23A，23B），该棘齿条与一棘爪对齐，从而防止活塞在下压过程中被抽出。
  11. The key to the extraordinary returns for the top people were two so-called ratchets, customary in private equity deals.
    高级管理人员获得超高回报的关键在于两项所谓的股权比例递增条款，这种做法在私人股本交易中较为普遍。
  12. This is true but surely programmers of a robot that ratchets up prices indiscriminately whenever someone buys from it share the blame.
    这话没错，但无论人们何时买入，都一概推高价格的机器程序员同样应该受到指责。
  13. Phase locking in deterministic underdamped ratchets is studied. It is found that three periodic rotating orbits can coexist in the system.
    研究了确定性欠阻尼棘齿系统中的锁相问题，发现系统可以同时存在3个周期吸引子。
  14. Coexisting of Periodic Attractor in Deterministic Underdamped Ratchets
    确定性欠阻尼棘齿系统中的周期吸引子共存现象
  15. In the new ratchets, primary periodic solution becomes unstability, and new periodic solution emerges. The two periodic solutions can coexist.
    在新的棘齿势下，原来的周期解失稳，出现了新的周期解，在一定的参数范围内两个周期解可以共存。
  16. The transport in different ratchets has been studied.
    研究了不同高度的棘齿势下的粒子的定向运动。
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