AnalyzerSentence analysis6SpansSentence彼の専門分野は物理学です。1000 character limitAnalyzeSentence彼かれの専せん門もん分ぶん野やは物ぶつ理り学がくです。Span Details彼かれhe; him; boyfriendpronounのpossession, attribution, nominalizer, or nominal linkergrammar専せん門もん分ぶん野やarea of expertise; specialty; fieldnounはtopic markergrammar物ぶつ理り学がくphysicsnounです。be; is; arecopula, auxiliary出洲ですspit of land; sandspit