英语词汇“Prototheria”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	Prototheria
释义	Prototheria (once / 1313257 pages) n WORD FAMILY Prototheria USAGE EXAMPLES In the earliest stage represented by the Monotremata or Prototheria, there was no intra-uterine development. Cunningham, J. T., Hormones and Heredity(2010) Huxley afterwards gave them the names of Prototheria, Metatheria, and Epitheria. Haeckel, Ernst Heinrich Philipp August, The Evolution of Man — Volume 2(2010) n echidnas; platypus Syn\|Hyper subclass Prototheria class (biology) a taxonomic group containing one or more orders
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