AnalyzerSentence analysis6SpansSentence彼は研究に没頭した。1000 character limitAnalyzeSentence彼かれは研けん究きゅうに没ぼっ頭とうした。Span Details彼かれhe; him; boyfriendpronounはtopic markergrammar研けん究きゅうresearch; study; investigationnoun, suru verbにdirection, time, indirect object, or target markergrammar没ぼっ頭とうimmerse oneself in; be absorbed in; devote oneself tonoun, suru verbした。light/support verb with a noun or noun-like phrase-> するgrammar
