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Sentence analysis
7Spans
Sentence
Span Details
長時間
long time; several hours; long spellnoun, adverb
正座
seiza; formal kneeling sittingnoun, suru verb
し
light/support verb with a noun or noun-like phrase-> するgrammar
てい
ongoing or resultant state-> ているgrammar
た
past tense or completed actiongrammar
ので、
because; sincegrammar
膝を崩した。
sit at ease; relax one's sitting posture-> 膝を崩すexpression, verb