名词
中文翻译：鳍状卷曲体
同义词：
['fin', "fin-like structure例句：1. The fish had a finned coil on its tail to help it swim.（这条鱼在尾巴上有一个鳍状卷曲体来帮助它游泳。）2. The scientist observed the fish's finned coil and noted its unique shape.（科学家观察了这条鱼的鳍状卷曲体，并注意到它的特殊形状。）"]
例句：
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1. The fish had a finned coil on its tail to help it swim.
这条鱼在尾巴上有一个鳍状卷曲体来帮助它游泳。
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2. The scientist observed the fish's finned coil and noted its unique shape.
科学家观察了这条鱼的鳍状卷曲体，并注意到它的特殊形状。
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3. The finned coil is an important part of the fish's body that helps it move through water.
鳍状卷曲体是鱼身体的一个重要部分，它帮助鱼在水中移动。