ratchets

ˈrætʃits

英文释义

n mechanical device consisting of a toothed wheel or rack engaged with a pawl that permits it to move in only one direction
v move by degrees in one direction only

中文翻译

n. (防倒转的)棘齿( ratchet的名词复数 )
v. (防倒转的)棘齿( ratchet的第三人称单数 )

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