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Sentence analysis
9Spans
Sentence
Span Details
この
this; last (couple of years, etc.); these; past; you (as in "you liar")-> 此のpre-noun adjective
河川
rivers; watercoursesnoun
の
possession, attribution, nominalizer, or nominal linkergrammar
化学的酸素要求量
chemical oxygen demand; CODnoun
は
topic markergrammar
基準値
standard value; reference value; nominal valuenoun, no-adjective
を
object markergrammar
超え
cross over; pass through; go beyond; exceed; surpass; be more than-> 越えるichidan verb
ている。
ongoing or resultant stategrammar