This condition, called neoteny, means it keeps its tadpole-like dorsal fin, which runs almost the length of its body, and its feathery external gills, which protrude from the back of its wide head.

这种情况，叫做动态持续，意味着它保留着它的像蝌蚪一样的贯穿整个身体的背鳍，从头后面突出的像羽毛一样的外腮。

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Some shark fin soup consumers assume that finning doesn't hurt the shark, or that fins grow back; neither is true.

一些鱼翅汤消费者想当然地以为割掉鱼鳍对鲨鱼没什么影响，甚至以为鱼鳍会再生，很遗憾这些看法都是错的。

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The tail flats feature swept-back tips forward of the swept-back and tapered fin with a blunt tip.

尾平翼特征是顶端有一个上端后掠的垂直安定翼和锥形尾垂翼具有一个钝形顶端。

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The glossy black fin and back of a minke whale rose a hundred yards astern, two yellow-striped dolphins broke water and plunged down again, and then the flow of the turned tide could be seen as a chop on the water, small standing waves that indicated the Minch was reversing its direction.

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But because the bass was hooked on its fin, rather than its mouth, it had to be thrown back.

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