pelvic fin

pelvic fin [ˈpelvɪk fin]  [ˈpɛlvɪk fɪn] 

pelvic fin 基本解释
<动>腹鳍;
pelvic fin 网络解释

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

pelvic fin 英英释义

noun

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