caudal fin編輯正在努力提供更完整的內容，建議 20 分鐘後再回來看看caudal fincaudal fin — 名詞名詞1. the tail fin of a fish or other aquatic animal1.名詞釋義尾鰭the tail fin of a fish or other aquatic animal例句The fish used its caudal fin to propel itself forward.