AnalyzerSentence analysis5SpansSentence武道の精練を積む。1000 character limitAnalyzeSentence武ぶ道どうの精せい練れんを積つむ。Span Details武ぶ道どうmartial arts; budonounのpossession, attribution, nominalizer, or nominal linkergrammar精せい練れんscouring; degumming; training; drilling; tempering; refining; smeltingnoun, suru verbをobject markergrammar積つむ。pile up; stack; load; pack; accumulate; build up; gaingodan verb