1·Before the formation of leaves, the nutrition for the development of viviparous plantlet is supplied by its parent, which is a kind of typical foraging behavior.
在胎生苗叶片产生以前，它的营养全部由母体提供，属于全异养阶段，这是一种典型的觅源行为；
2·Ichthyosaurs and other contemporary viviparous species, by contrast, gave birth to multiple offspring.
相比之下，鱼龙和其他现代胎生的物种产下多个幼崽。
3·Man and most other mammals are viviparous.
人和其他大多数哺乳动物都是胎生的。
4·The whale is viviparous, the baby to eat mother's milk to grow up.
鲸是胎生的，幼鲸靠吃母鲸的奶长大。
5·Does now consider? True strong. The ability of somebody else mama one viviparous 3.
现在想一想？真强。人家妈能一胎生三个。