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词汇 Urodela
释义

Definition of Urodela in English:

Urodela

plural nounˌjʊərə(ʊ)ˈdiːləˌyo͝orəˈdēlə
Zoology
  • An order of amphibians that comprises the newts and salamanders, which retain the tail as adults.

    〔动〕有尾目,有尾两栖类。亦称CAUDATA

    Also called Caudata
    Example sentencesExamples
    • There are more than 4,000 species of modern amphibians in three orders; in addition to the Anura, the Urodela (salamanders and newts) and Gymnophiona (caecilians - worm-like, with no limbs).
    • Middle Jurassic salamanders are more primitive than members of the modern families, but unequivocally belong to the Urodela.
    • They include all the members of the order Urodela, including the newts (family Salamandridae).
    • Some female Urodela are provided with receptacula seminis.
    • They are among the most primitive of the Urodela, and their eggs are fertilised externally.

Origin

Modern Latin (plural), from uro-2 'tail' + Greek dēlos 'evident'.

Definition of Urodela in US English:

Urodela

plural nounˌyo͝orəˈdēlə
Zoology
  • An order of amphibians that comprises the newts and salamanders, which retain the tail as adults.

    〔动〕有尾目,有尾两栖类。亦称CAUDATA

    Also called Caudata
    Example sentencesExamples
    • They are among the most primitive of the Urodela, and their eggs are fertilised externally.
    • They include all the members of the order Urodela, including the newts (family Salamandridae).
    • Middle Jurassic salamanders are more primitive than members of the modern families, but unequivocally belong to the Urodela.
    • There are more than 4,000 species of modern amphibians in three orders; in addition to the Anura, the Urodela (salamanders and newts) and Gymnophiona (caecilians - worm-like, with no limbs).
    • Some female Urodela are provided with receptacula seminis.

Origin

Modern Latin (plural), from uro- ‘tail’ + Greek dēlos ‘evident’.

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