搜索结果: 1-1 共查到“理学 Rock exposed”相关记录1条 . 查询时间(0.096 秒)
Rock exposed in World War I trenches offers new fossil find
Rock exposed World War I trenches new fossil
2017/4/27
An unusual fossil find is giving scientists new ideas about how some of the earliest animals on Earth came to dominate the world’s oceans.An international research team found 425-million-year-old foss...