名词中文翻译
中文翻译：骨盆鳍
同义词：
['pelvic fins', 'pelvic appendages']
例句：
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1. The fish swims with its pelvic fin extended.
这条鱼用它的骨盆鳍游泳。
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2. The scientist discovered a new species of fish with unique pelvic fin structures.
科学家发现了一种具有独特骨盆鳍结构的新鱼类。
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3. The pelvic fin is crucial for the fish's swimming ability.
骨盆鳍对于鱼类的游泳能力至关重要。