rachet 详细解释

rachet

['rætʃit]

n. (防止倒转的)棘齿
vt. 使 ... 一点一点移动或改变
vi. 一步一步进行

英英释义

名词 rachet:

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

同义词:ratchet, ratch

补充

rachetrachet[ˈrætʃit]n.1.(防倒转的)棘齿