vi·vip·ar·ous
adjective/vɪˈvɪpərəs/
/vɪˈvɪpərəs/
(biology)- (of an animal) producing live babies from its body rather than eggs
胎生的 Word Originmid 17th cent.: from Latin viviparus (from vivus ‘alive’ + -parus ‘bearing’) + -ous.