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Sentence analysis
5Spans
Sentence
Span Details
鉄道網
railroad network; railway systemnoun
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
light/support verb with a noun or noun-like phrase-> するgrammar
ている。
ongoing or resultant stategrammar