1. You can recognize the fish by the shape of their fins. 你可以根据鳍的形状来辨认这种鱼。
2. A person needs two mono fins, one for each foot. 一个人需要两个单鳍,每只脚一个。
3. No scientific studies show that shark fins are good for health. 没有科学研究表明鱼翅对健康有益。
4. The fins are stiff, smooth, and narrow, qualities that also help cut drag. 鱼鳍坚硬、光滑且细窄,这些特性也有助于减少阻力。
5. They have different shapes, sizes, color, fins, teeth, habitat, diet, personality, method of reproduction, and other attributes. 它们有不同的形状、大小、颜色、鳍、牙齿、栖息地、饮食、性格、繁殖方法和其他属性。