搜索结果: 1-1 共查到“地质学 45 million years ago”相关记录1条 . 查询时间(0.265 秒)
Nearly 500 finger and toe bones belonged to tiny primates 45 million years ago（图）
Nearly 500 finger toe bones belonged tiny primates 45 million years ago
2017/11/23
At Northern Illinois University, Dan Gebo opens a cabinet and pulls out a drawer full of thin plastic cases filled with clear gelatin capsules. Inside each numbered capsule is a tiny fossil—some are s...