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placoderm
英 [ˈplækə(ʊ)dɜːm] 美 [ˈplækəˌdərm]

  • n. 盾皮鱼

专业释义英英释义

  • 盾皮鱼
  • 盾皮鱼

·2,447,543篇论文数据，部分数据来源于NoteExpress

placoderm [ 'plækədə:m ]

  • n. fishlike vertebrate with bony plates on head and upper body; dominant in seas and rivers during the Devonian; considered the earliest vertebrate with jaws

以上来源于: WordNet

 柯林斯英汉双解大词典 

placoderm /ˈplækəˌdɜːm/

  • 1. 

    N any extinct bony-plated fishlike vertebrate of the class Placodermi, of Silurian to Permian times: thought to have been the earliest vertebrates with jaws 盾皮鱼

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