Analyzer
Sentence analysis
8Spans
Sentence
Span Details
銅
copper (Cu); bronze medalnoun
を
object markergrammar
精錬
refining; smelting; training; drilling; polishing (skills)noun, suru verb
する
light/support verb with a noun or noun-like phrasegrammar
技術
technology; engineering; technique; skill; art; craftnoun
が
subject markergrammar
発達
development; growth; progress; advancement; expansion (of a weather system); developmental disability (slang); person with a developmental disability (slang)noun, suru verb
した。
light/support verb with a noun or noun-like phrase-> するgrammar