名词
中文翻译：尾鳍骨刺
同义词：
['branchial spine', 'pectoral spine']
例句：
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1.The fish had a branchiostegal spine sticking out of its mouth.
这条鱼从嘴里伸出一根尾鳍骨刺。
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2.The scientist discovered the new species by examining their branchiostegal spines.
科学家通过检查它们的尾鳍骨刺发现了新物种。
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3. The shark's pectoral spine was used as a weapon in battle.
鲨鱼的胸鳍骨刺被用作战斗中的武器。