基本解释[鱼] 脂鳍词组短语短语adipose e fin 脂鳍ventral adipose fin 腹面脂鳍adipose fin spine 脂英英字典柯林斯英英字典 a posterior dorsal fin occurring in some fish, such as those of the salmon and catfish families 专业释义农业科学脂鳍生物学脂鳍