Analyzer
Sentence analysis
9Spans
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
知識を蓄え
gain knowledge; build up one's knowledge-> 知識を蓄えるexpression, verb
てき
change continuing toward the present point-> てくるgrammar
た。
past tense or completed actiongrammar