中科新闻网王昌龄七绝特点:求助~~英文高手~
来源：百度文库 编辑：中科新闻网 时间：2024/05/13 18:54:59
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.