Analyzer
Sentence analysis
10Spans
Sentence
Span Details
彼
he; him; boyfriendpronoun
の
possession, attribution, nominalizer, or nominal linkergrammar
研究
research; study; investigationnoun, suru verb
は
topic markergrammar
医学
medicine; medical sciencenoun
の
possession, attribution, nominalizer, or nominal linkergrammar
発展
development; growth; expansion; development (of a situation); progression; unfolding; sexual activity (esp. male homosexual); playing aroundnoun, suru verb
に
direction, time, indirect object, or target markergrammar
寄与
contribution; servicenoun, suru verb
した。
light/support verb with a noun or noun-like phrase-> するgrammar