名词中文翻译
中文翻译：背部的
同义词：
['dorsal fin', 'dorsal ridge例句：1. The fish swims with its dorsal fins sticking out of the water.（这条鱼用它的背鳍在水里游动。）']
例句：
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1. The fish swims with its dorsal fins sticking out of the water.
这条鱼用它的背鳍在水里游动。
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2.The dorsal fin is a crucial part of the fish's body structure.
背鳍是鱼身体结构中至关重要的部分。
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3. The dorsal fin helps the fish to navigate through the water.
背鳍帮助鱼在水中导航。