最終更新日：2025/11/23
After the accident, officials estimated that the facility had released several petabecquerels of radioactive material into the surrounding environment.
正解を見る
After the accident, officials estimated that the facility had released several petabecquerels of radioactive material into the surrounding environment.
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元となった例文
事故後、当局は施設が周囲の環境に数ペタベクレルの放射性物質を放出したと推定した。
