| 释义 |
DEFINITIVE EXAMPLES 权威例句〔cartilaginous fish〕A fish whose skeleton consists mainly of cartilage, especially a member of the class Chondrichthyes, such as a shark, skate, or ray.软骨鱼：一种骨胳主要由软骨组织构成的鱼，尤指软骨鱼家族的鱼，如鲨鱼、鳔鱼或者鳐美国传统〔heterocercal〕Relating to, having, or being a tail fin in which the upper lobe is larger than the lower and the vertebral column extends into the upper lobe, as in sharks.歪尾的：（有）上片大于下片、脊椎延伸入上片中的尾鳍的， 与其有关的，如鲨鱼的鳍美国传统〔placoid〕Platelike, as the hard toothlike scales of sharks, skates, and rays.楣形的：盘状，如鲨鱼、恶鱼和虹鱼的硬齿状的鳞美国传统 |