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
生物并不是如今海豹、海狮和海象直系祖先，而是来自另一个分支。
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生物并不是如今海豹、海狮和海象直系祖先，而是来自另一个分支。
声
：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
容亦不代本软件
观点；若发现问题，欢迎向我们指正。
