高考问答江苏广播蓝鲸app:求助~~英文高手~
来源：百度文库 编辑：高考问答 时间：2024/04/30 03:47:22
Along with five types of sea lions-closely related animals with large bodies, coarser fur and more rounded snouts-this gregarious, harem-building marine predator belongs to the Otariidae family, thought to have diverged from a bearlike terrestrial ancestor about 25 million years ago.