单词	cotter pin
释义	cotter pin /ˈkɒtə pɪn / (also cotter) noun 1A metal pin used to fasten two parts of a mechanism together.She slid the cotter pin back through the nut and bolt and screwed the grease cap back on.... A cotter pin acts a safety measure to prevent the arm from sliding off the stub. The cotter pin missed the male spline on the flap motor. 1.1A split pin that is opened out after being passed through a hole. Origin Mid 17th century: of unknown origin.
随便看	integrin integrity integument integumental integumentary intein intel intellect intellected intellectible intellection intellective intellectively intellectual intellectual capital intellectual elite intellectual historian intellectual history intellectualise intellectualism intellectualist étouffée étourderie étourdi étourdie

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