名词
中文翻译：鱼尾
同义词：
['fin', 'finning', 'fins']
例句：
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1. The fish was swimming with its long skeg.
那条鱼正用它长长的鳍在游。
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2. The boat had a large skeg to help it move faster.
那艘船有一个大鳍来帮助它更快地移动。
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3. The whale's skeg was visible from the surface of the water.
鲸鱼的鳍在水面上是可见的。