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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
研究
research; study; investigationnoun, suru verb
では、
contrastive で + は; then; well thengrammar
有機塩素系化合物
organochlorine compoundnoun
の
possession, attribution, nominalizer, or nominal linkergrammar
毒性
toxicity; virulence; toxic; virulent; poisonousnoun, no-adjective
を
object markergrammar
調べ
examine; look up; investigate; check-> 調べるichidan verb
た。
past tense or completed actiongrammar