Analyzer
Sentence analysis
8Spans
Sentence
Span Details
彼
he; him; boyfriendpronoun
は
topic markergrammar
日本
Japannoun
の
possession, attribution, nominalizer, or nominal linkergrammar
歴史
historynoun
に
direction, time, indirect object, or target markergrammar
ついて
about; concerning; regarding-> 就いてexpression
詳しい。
detailed; full; minute; knowledgeable; well-informed; familiari-adjective