dace

例句：

1. 1. 鱼尾
   尤指鲨鱼的尾巴
2. 1. The shark's tail is its most distinctive feature.
   鲨鱼的尾巴是它最显著的特征。
3. 2.The dorsal fin of the shark is visible through the water.
   鲨鱼的背鳍在水中可见。
4. 3. The fish has a long, dorsal fin that helps it swim efficiently.
   这条鱼有一条长长的背鳍，有助于它高效游泳。
5. 4. The fisherman used a hook to catch the fish's dorsal fin.
   渔夫用钩子钓到了鱼的背鳍。
6. 5.The chef used the fish's dorsal fin as a decorative element in the dish.
   厨师将鱼的背鳍作为菜肴的装饰元素。
7. 6. The dorsal fin of the fish was adorned with colorful scales.
   这条鱼的背鳍上装饰着五彩斑斓的鳞片。
8. 7.The fisherman carefully removed the fish's dorsal fin for cooking.
   渔夫小心翼翼地将鱼的背鳍取下来准备烹饪。
9. 8. The dorsal fin of the fish served as a warning signal to other predators.
   鱼的背鳍对其他捕食者来说是一个警告信号。
10. 9.The dorsal fin of the fish was used as bait in fishing techniques.
    在钓鱼技巧中，鱼的背鳍被用作诱饵。
11. 10. The dorsal fin of the fish is a vital part of its survival strategy.
    鱼的背鳍是其生存策略中至关重要的一部分。