Analyzer
Sentence analysis
8Spans
Sentence
Span Details
彼
he; him; boyfriendpronoun
は
topic markergrammar
長年
many years; a long timenoun, adverb
の
possession, attribution, nominalizer, or nominal linkergrammar
研究
research; study; investigationnoun, suru verb
で
location, means, or scope markergrammar
大きな
big; large; greatpre-noun adjective
成果を収めた。
achieve success; produce results-> 成果を収めるexpression, verb