AnalyzerSentence analysis6SpansSentence彼の研究分野は量子力学です。1000 character limitAnalyzeSentence彼かれの研けん究きゅう分ぶん野やは量りょう子し力りき学がくです。Span Details彼かれhe; him; boyfriendpronounのpossession, attribution, nominalizer, or nominal linkergrammar研けん究きゅう分ぶん野やresearch area; field of researchnounはtopic markergrammar量りょう子し力りき学がくquantum mechanicsnounです。be; is; arecopula, auxiliary出洲ですspit of land; sandspit