Analyzer
Sentence analysis
8Spans
Sentence
Span Details
彼
he; him; boyfriendpronoun
は
topic markergrammar
数学
mathematicsnoun
の
possession, attribution, nominalizer, or nominal linkergrammar
新境地
new ground; new frontier; new scopenoun
を
object markergrammar
開拓
reclamation; cultivation; development; pioneering; opening up; breaking new groundnoun, suru verb
した。
light/support verb with a noun or noun-like phrase-> するgrammar