Analyzer
Sentence analysis
9Spans
Sentence
Span Details
彼
he; him; boyfriendpronoun
の
possession, attribution, nominalizer, or nominal linkergrammar
研究
research; study; investigationnoun, suru verb
は
topic markergrammar
新しい
new; fresh; recent; moderni-adjective
領野
area; domain; fieldnoun
を
object markergrammar
切り開い
cut open; slash open; clear (land); cut (a path); hack through; carve out (a future); open up (a new field); pioneer-> 切り開くgodan verb
た。
past tense or completed actiongrammar