单词	cragsman
释义	cragsman noun crags·​man ˈkragz-mən  : one who is expert in climbing crags or cliffs Word History First Known Use 1816, in the meaning defined above
随便看	acetotoluide acetotoluidide acetous acetous acid acetovanillone acetoveratrone acetoxime acetoxy- acetoxyl acetoxyls acetphenetidin acetphenetidins acetums aceturic acid acetyl acetyl benzoyl peroxide acetyl bromide acetyl cellulose acetyl chloride acetyl coenzyme A acetyl number acetyl peroxide acetyl value acetyl-CoA acetylacetonate

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