名词
中文翻译：海底区域
同义词：
['seafloor', 'deep seabed']
例句：
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1.The research team has been exploring the bathyal region for months.
研究团队已经探索了海底区域数月。
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2.The ship sank in the bathyal region, leaving only a few survivors.
船只在海底区域沉没，只有少数幸存者。
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3. The bathyal region is home to a diverse range of marine life.
海底区域是各种海洋生物的家园。