anal fin

中文含义：肛门鳍

英语词性：noun

美式发音：[ˈeɪ.nəl fɪn]

同义词：none

易混淆单词：none

双语例句：

  1. Male fish usually have a long spiky anal fin, which is absent in female fish.
  2. 公吻鲸鱼通常有一条长而尖的肛门鳍，而母鱼则没有。
  3. The presence or absence of an anal fin is used to distinguish between different fish species.
  4. 肛门鳍的有无可用于区分不同的鱼类。