Analyzer
Sentence analysis
8Spans
Sentence
Span Details
工学
engineeringnoun
の
possession, attribution, nominalizer, or nominal linkergrammar
進歩
progress; advance; improvement; developmentnoun, suru verb
が
subject markergrammar
社会
society; the public; the world; social studiesnoun
を
object markergrammar
変え
change; alter; transform; reform; revise; amend-> 変えるichidan verb
た。
past tense or completed actiongrammar