The 23 million-year-old creature was not a direct ancestor of today's seals, sea lions and walruses, a group known collectively as pinnipeds.
这只2300万年的生物并不是如今
豹、狮和象的直系祖先，而是来自另一
分支。
象（walrus的复数）The 23 million-year-old creature was not a direct ancestor of today's seals, sea lions and walruses, a group known collectively as pinnipeds.
这只2300万年的生物并不是如今豹、狮和象的直系祖先，而是来自另一分支。
声明：以上例句、词性分类均由互联网资源自动生成，部分未经过人工审核，其
达内容亦不
软件的观点；若发现问题，欢迎向我们指正。
