| 单词 | 灰鳐 |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔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、灰鳐美国传统〔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美国传统〔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、鳐及灰鳐美国传统 |
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