单词	back shaft
释义	back shaft noun 1 : a countershaft driven by a back gear 2 : any shaft placed at the back of a machine Word History First Known Use 1847, in the meaning defined at sense 1
随便看	ribbie ribbier ribbies ribbiest ribbing ribbings Ribble ribbok ribboks ribbon ribbon bed ribbon brake ribbon bush ribbon candy ribbon conveyor ribbon copy ribbon development ribbon fern ribbon figure ribbon grain ribbon grass ribbon gum ribbon jasper ribbon lightning ribbon loom

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