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Sentence analysis
6Spans
Sentence
Span Details
黒ずん
blacken; darken; become blackish-> 黒ずむgodan verb
だ
past tense or completed action-> たgrammar
壁
wall; partition; barrier; obstacle; hindrance; Chinese "Wall" constellation; wall of stones (in Go)noun
を
object markergrammar
掃除
cleaning; sweeping; dusting; scrubbingnoun, suru verb
した。
light/support verb with a noun or noun-like phrase-> するgrammar