Last Updated：2025/11/27
Sentence
捜査の結果、捜査官は化学流出が川の生態系を損なう主な要因であると特定した。
Quizzes for review
During the investigation, the investigator identified the chemical spill as the primary impairer of the river's ecosystem.
See correct answer
During the investigation, the investigator identified the chemical spill as the primary impairer of the river's ecosystem.
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