AnalyzerSentence analysis5SpansSentence陰茎が勃起している1000 character limitAnalyzeSentence陰いん茎けいが勃ぼっ起きしているSpan Details陰いん茎けいpenisnounがsubject markergrammar勃ぼっ起きpenile erection; becoming erect; stiffening; welling up of emotion; surge of feelingnoun, suru verbしlight/support verb with a noun or noun-like phrase-> するgrammarているongoing or resultant stategrammar