AnalyzerSentence analysis3SpansSentence瞳孔が大きくなる。1000 character limitAnalyzeSentence瞳どう孔こうが大おおきくなる。Span Details瞳どう孔こうpupil (of the eye)nounがsubject markergrammar大おおきくなる。grow up; become an adult; become big; grow in sizeexpression, verb