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| 11. | any of numerous fishes of the class Chondrichthyes characterized by a cartilaginous skeleton and placoid |
| 众多的软骨鱼类；以软骨骨架和板状鱼鳞为特征，包括鲨、鳐、灰鳐。 |
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| 12. | Any of numerous fishes of the class Chondrichthyes, characterized by a cartilaginous skeleton and placoid |
| 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 |
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