名词中文翻译1
中文翻译：Unknown
同义词：
['base', 'bottom line例句：1. The boat sank at the bottom of the sea.（船在海里沉到了底部。）']
例句：
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1. The boat sank at the bottom of the sea.
船在海里沉到了底部。
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2. The bottom of the ocean is dark and mysterious.
海洋的底部黑暗而神秘。
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3. The bottom of the lake was covered in snow.
湖底被雪覆盖着。