单词 | ratchet |
释义 | ratchet1 of 2noun ratch·et ˈra-chət variants or less commonly rachet 1 : a mechanism that consists of a bar or wheel having inclined teeth into which a pawl drops so that motion can be imparted to the wheel or bar, governed, or prevented and that is used in a hand tool (such as a wrench or screwdriver) to allow effective motion in one direction only 2 : a pawl or detent for holding or propelling a toothed wheel ratchet 2 of 2verb variants or less commonly rachet ratcheted also racheted; ratcheting also racheting; ratchets also rachets transitive verb : to cause to move by steps or degrees —usually used with up or down tried to ratchet down the debt intransitive verb : to proceed by steps or degrees |
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