| 单词 | viviparous |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔fetus〕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美国传统〔topminnow〕Any of various small viviparous New World fishes of the family Poeciliidae, of fresh or brackish waters.浮鲦：产于新大陆的一种杂色鱼科小型胎生鱼，生活在淡水或半淡水中美国传统〔viviparous〕Zoology Giving birth to living offspring that develop within the mother's body. Most mammals and some other animals are viviparous.【动物学】 胎生的：通过在母体中发育产生后代的。绝大多数哺乳动物和其它一些动物为胎生美国传统 |
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