单词：tail fin
tail fin的用法和样例：
例句
- The fish uses its tail fins for propulsion through the water.鱼靠尾鳍在水中前进。
- The lower lobe of the deeply forked caudal fin is longer than the upper lobe.尾鳍深叉型，下叶比上叶长。
- tailfin尾鳍
- vertical fin垂直安定面
- fin鳍
- caudal fin尾鳍
- vertical stabilizer垂直稳定翼
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