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BNC: 24504 COCA: 21513

ratchet

2 ENTRIES FOUND:
1 ratchet /ˈrætʃət/ noun
plural ratchets
1 ratchet
/ˈrætʃət/
noun
plural ratchets
Learner's definition of RATCHET
[count]
: a device made up of a wheel or bar with many teeth along its edge in between which a piece fits so that the wheel or bar can move only in one direction棘轮;单向齿轮
2 ratchet /ˈrætʃət/ verb
ratchets; ratcheted; ratcheting
2 ratchet
/ˈrætʃət/
verb
ratchets; ratcheted; ratcheting
Learner's definition of RATCHET
[+ object]
: to increase or decrease (something) especially by a series of small steps or amounts增长(或降低)usually + up or down

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