名词
中文翻译：环境放射性
同义词：
['environmental contamination', 'environmental pollution']
例句：
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1. The study found that the level of environmental radioactivity in this area was high.
研究发现，该地区的环境放射性水平很高。
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2.The government has been working to reduce environmental radioactivity levels.
政府一直在努力降低环境放射性水平。
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3. The research team conducted a survey on the sources of environmental radioactivity in the area.
研究团队对该地区环境放射性的来源进行了调查。