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词汇 Chondrichthyes
释义

Definition of Chondrichthyes in English:

Chondrichthyes

plural nounkɒnˈdrɪkθiːzkänˈdrikTHēˌēz
Zoology
  • A class of fishes that includes those with a cartilaginous skeleton.

    〔动〕软骨鱼纲。比较OSTEICHTHYES

    Compare with Osteichthyes
    Example sentencesExamples
    • The Chondrichthyes or ‘cartilaginous fishes’ are so called because their internal skeletons are composed of cartilage (the stiffening substance in your nose and ears), reinforced with small bone plates.
    • It is estimated that oviparity evolved into viviparity at least 18 times within Chondrichthyes (class that includes sharks).
    • Given these generalities from research on bony fishes and some salamanders, we review recent studies on the evolution of feeding systems in Chondrichthyes, the sister group to all other living gnathostome vertebrates.
    • A platelike structure, the operculum, covers the gills; this is not present in most Chondrichthyes (except for chimaeras).
    • Sharks, skates, rays, and even stranger fish make up the Chondrichthyes, or ‘cartilaginous fish.’

Origin

Modern Latin, from Greek khondros 'cartilage' + ikhthus 'fish'.

Definition of Chondrichthyes in US English:

Chondrichthyes

plural nounkänˈdrikTHēˌēz
Zoology
  • A class of fishes that includes those with a cartilaginous skeleton.

    〔动〕软骨鱼纲。比较OSTEICHTHYES

    Compare with Osteichthyes
    Example sentencesExamples
    • Given these generalities from research on bony fishes and some salamanders, we review recent studies on the evolution of feeding systems in Chondrichthyes, the sister group to all other living gnathostome vertebrates.
    • A platelike structure, the operculum, covers the gills; this is not present in most Chondrichthyes (except for chimaeras).
    • It is estimated that oviparity evolved into viviparity at least 18 times within Chondrichthyes (class that includes sharks).
    • Sharks, skates, rays, and even stranger fish make up the Chondrichthyes, or ‘cartilaginous fish.’
    • The Chondrichthyes or ‘cartilaginous fishes’ are so called because their internal skeletons are composed of cartilage (the stiffening substance in your nose and ears), reinforced with small bone plates.

Origin

Modern Latin, from Greek khondros ‘cartilage’ + ikhthus ‘fish’.

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