The unborn young of a viviparous vertebrate having a basic structural resemblance to the adult animal.
胎基本结构与成年动物相似的胎生脊椎动物未出生的幼子.
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Man and most other mammals are viviparous.
人和其他大多数哺乳动物都是胎生的.
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We studied the ultrastructure of epididymal spermatozoa viviparous skinks, Mabuya multifasciata and Sphenomorphus indicus.
利用透射电镜研究多线南蜥和印度蜓蜥附睾精子的超微结构.
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