名词短语
中文翻译：相对死亡区
同义词：
['relatively dead zone', 'relative depletion zone']
例句：
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1. The researchers found that the relative dead zone in the ocean had significantly reduced the number of marine species.
研究人员发现，海洋中的相对死亡区显著减少了海洋物种的数量。
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2.The scientists have been studying the relative dead zone for years, trying to understand its impact on marine life.
科学家们多年来一直在研究相对死亡区，试图理解其对海洋生物的影响。
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3. The relative dead zone is a major environmental concern, as it can affect not only marine life but also human health.
相对死亡区是一个主要的环境保护问题，因为它不仅影响海洋生物，还可能影响人类的健康。