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BNC: 24504 COCA: 21513
ratchet
noun [C] /ˈrætʃɪt/
singularratchet
pluralratchets
Related words
  1. a part of a machine consisting of a wheel or bar with teeth on it. Another metal piece fits into it, allowing it to move in only one direction. (防倒转的)棘轮,棘齿
     Synonyms and related words
ratchet
verb [I/T] /ˈrætʃɪt/
present tense
I/you/we/theyratchet
he/she/itratchets
present participleratcheting
past tenseratcheted
past participleratcheted
  1. to increase or decrease by small amounts during a period of time, or to make something do this (使)增加(或减少)

    We are taking steps to ratchet up our profit margin. 我们正采取措施提高我们的利润率。

     Synonyms and related words
     Synonyms and related words

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