cuneate tail

例句：

1. 1. The fish had a cuneate tail that was unique to its species.
   这条鱼有一个独特的尾鳍，这是它物种特有的。
2. 2. The scientist observed the behavior of the animals with their cuneate tails.
   科学家观察了这些动物带有尾鳍的行为。
3. 3. The cuneate tail is used for swimming and propulsion in many marine creatures.
   许多海洋生物使用带有尾鳍游泳和推进身体。