名词
中文翻译：底部
同义词：
['base', 'underside例句：1. The boat sank at the bottom of the sea.（船在海里沉到了底部。）2. The car was parked at the bottom of the hill.（汽车停在山脚下。）3. The bottom of the ocean is home to a vast array of marine life.（海洋的底部是各种海洋生物的家园。）']
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 car was parked at the bottom of the hill.
汽车停在山脚下。
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3. The bottom of the ocean is home to a vast array of marine life.
海洋的底部是各种海洋生物的家园。