名词中文翻译
中文翻译：腹鳍
同义词：
['ventral', 'ventral fins']
例句：
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1. The fish swims with its ventral fins extended.
这条鱼用它的腹鳍游泳。
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2. The scientist studied the behavior of ventral fins in fish.
这位科学家研究了鱼类腹鳍的行为。
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3. Insects have a pair of ventral fins that help them move around.
昆虫有一对腹鳍，帮助它们移动。