单词 | transitional fossil |
释义 | transitional fossilnoun : a fossil that exhibits characteristics of both ancestral and derived forms During the past 30 years, new discoveries and reinvestigations of long-forgotten specimens have coalesced into a flood of transitional fossils. Paleontologists have unearthed walking whales from Pakistan, feathered dinosaurs from China … However, although the mammal and bird origins are both documented by numerous transitional fossils, turtles appear abruptly. |
随便看 |
|
英语词典包含469781条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。