名词中文翻译
中文翻译：背鳍
同义词：
['dorsal fin', 'dorsal ray']
例句：
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1. The fish had a dorsal scale that was easily visible from the water.
这条鱼有一个从水中很容易就能看到的背鳍。
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2. In order to survive in the ocean, fish need to have a dorsal scale to protect their body.
为了在海洋中生存，鱼需要有背鳍来保护它们的身体。
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3. The dorsal scale of the shark is very distinctive and helps it blend into its surroundings.
鲨鱼的背鳍非常独特，有助于它融入周围的环境。