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The basic structure and working principle of biomimetic fish fin is briefly introduced.

简要介绍了仿生鱼鳍的基本机构和工作原理。

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A sharp rigid animal process or appendage; as a porcupine quill or a ridge on a bone or a ray of a fish fin.

动物身体硬而尖锐的部分或附属肢体；如豪猪的刚毛或鱼鳍的骨脉。

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But fin fish such as tuna are not associated with the contamination problems plaguing raw shellfish such as oysters.

CNN: Tuna making a splash in popularity

The star of the show is a whole rouget, served dorsal fin upward as if the fish were still swimming.

NEWYORKER: Rouge et Blanc

At a spring festival gathering in February, the Hong Kong Pui Ching Alumni Association ordered a 10-course meal but opted to replace the shark's fin soup with a chicken, fish belly and abalone soup.

BBC: Hong Kong shark fin trade declines