Carboniferous

(noun.) from 345 million to 280 million years ago.

(adj.) of or relating to the Carboniferous geologic era; 'carboniferous rock system' .

录入:罗兰

• Lyell and Dr. Dawson in the carboniferous strata of North America; but now land-shells have been found in the lias. 查尔斯·达尔文. 物种起源.
• It is as interesting to the political student, therefore, as a carboniferous amphibian or an _arch?opteryx_ to the student of zoological development. 赫伯特·乔治·威尔斯. 世界史纲.
• The Carboniferous Rocks, the coal-measures, give us a vision of the first great expansion of life over the wet lowlands. 赫伯特·乔治·威尔斯. 世界史纲.
• The great system of strata in which coal is chiefly found is known as the carboniferous. 佚名. 神奇的知识之书.

多拉编辑