往复锯 wǎngfùjù reciprocating saw Origin Definitions Defs Strokes Stroke Words Sentences Sents 往复 往復 wǎngfù to go back and forth to move back and forth; to make a return trip; to reciprocate (as of machine parts)锯 鋸 jù noun saw a tool for cutting wood or other materials, typically with a thin serrated steel blade