名词
中文翻译：湖底
同义词：
['lake bed', 'lake bottom例句：1. The lake floor is covered in a layer of algae.（湖底覆盖着一层藻类。）']
例句：
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1. The lake floor is covered in a layer of algae.
湖底覆盖着一层藻类。
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2.The scientists found evidence of ancient life on the lake floor.
科学家们发现了湖底有古代生命的证据。
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3. The boat sank into the lake floor, leaving us stranded.
船沉入湖底，让我们陷入困境。