单词	butt knuckle
释义	butt knuckle noun : a projection shaped like a knuckle usually of metal and designed to receive pressure (as from a window pole) Word History Etymology butt entry 2
随便看	phoxinusses PHP phr phra nakhon si ayutthaya phrag phragma phragmacone phragmacones phragmas phragmata Phragmidium phragmipedia phragmipediums phragmites phragmiteses phragmitesses phragmocone phragmocones phragmoconic phragmocyttarous phragmoid Phragmophora phragmoplast phragmoplasts phragmosis

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