单词	jackshaft
释义	jackshaft noun : countershaft specifically : the intermediate driving shaft in an automobile Word History Etymology jack entry 1 (something smaller) + shaft
随便看	orthotic orthotics orthotist orthotists orthotolidine orthotomi orthotomuses orthotomusses orthotone orthotoneses orthotonus orthotriaene orthotropic orthotropically orthotropism orthotropisms orthotropous orthotype orthotypic orthron orthrons orthros orthroses orting ortler

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