| 单词 | 灰鳐 |
| 释义 | 〔elasmobranch〕Any of numerous fishes of the class Chondrichthyes, characterized by a cartilaginous skeleton and placoid scales and including the sharks, rays, and skates.属软骨鱼纲的鱼：软骨鱼纲鱼的一种，以软骨骨架和板状鱼鳞为特征，包括鲨、鳐、灰鳐〔spiracle〕A small respiratory opening behind the eye of certain fishes, such as sharks, rays, and skates.鳃孔：某些鱼类眼睛后面的呼吸小孔，例如鲨、鳐及灰鳐〔selachian〕Of or belonging to the order Selachii of elasmobranch fishes that includes the sharks and in some classifications also the rays and skates.软骨鱼的，横口鱼的，鲨类的：板鳃亚纲鲨类目的鱼类，包括鲨鱼，在某些分类中也包括鳐和灰鳐 |
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