pelvic fin是什么意思 pelvic fin在线中文翻译

pelvic fin 英 [ˈpelvɪk fin] 美 [ˈpɛlvɪk fɪn]

1. 腹鳍
   ...pelvic cavity 骨盆腔 | pelvic fin 腹鳍 | pelvic girdle 腰带;骨盆带...
2. 腹
   ...pelvic cavity 骨盆腔 | pelvic fin 腹 | pelvic girdle 腰带...

1. either of a pair of fins attached to the pelvic girdle in fishes that help control the direction of movement
   correspond to hind limbs of a land vertebrate
   Synonym: ventral fin

pelvic fin [ˈpelvɪk fin]