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	CMA cmd cmdg Cmdr cmdre CME CMG CMOS cms CMSgt CMV CMYK Cn CNA CNC Cnemidocoptes cnemidophori Cnemidophorus cnemidophoruses cnemidophorusses Cneorum CNG cnici Cnicus cnicuses

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