AnalyzerSentence analysis3SpansSentence風船を膨らます。1000 character limitAnalyzeSentence風ふう船せんを膨ふくらます。Span Details風ふう船せんballoon (toy or decoration); balloon (hot-air or gas)nounをobject markergrammar膨ふくらます。swell; expand; inflate; bulgegodan verb