Eocene
['i:əusi:n]
解釋/意思:
(noun.) from 58 million to 40 million years ago; presence of modern mammals.
安娜校對--From WordNet
解釋/意思:
(a.) Pertaining to the first in time of the three subdivisions into which the Tertiary formation is divided by geologists, and alluding to the approximation in its life to that of the present era; as, Eocene deposits.
(n.) The Eocene formation.
錄入:威廉姆斯
解釋/意思:
adj. (geol.) first in time of the three subdivisions of the Tertiary formation.
校對:莎娜
例句/造句/用法:
- In the same order or family to-day, the brain is usually from six to ten times what it was in the Eocene ancestor. 赫伯特·喬治·威爾斯. 世界史綱.
- We find fossils in the Eocene of monkeys and lemurs, but of one particular creature we have as yet not a single bone. 赫伯特·喬治·威爾斯. 世界史綱.
- In the forests and following the grass over the Eocene plains there appeared for the first time a variety and abundance of mammals. 赫伯特·喬治·威爾斯. 世界史綱.
- A number of types of mammal already appear in the Eocene. 赫伯特·喬治·威爾斯. 世界史綱.
錄入:厄普顿