Carboniferous
n. 石炭纪, 石炭层 a. 含碳或煤的
发音
UK
/ˌkɑːbəˈnɪfəɹəs/
其它
词形变化
the Carboniferous
释义与例句
adj.
-
1.
Of a geologic period within the Paleozoic era; comprises the lower, middle and upper Mississippian and lower, middle and upper Pennsylvanian epochs from about 345 to 280 million years ago, when coal was laid down.
地质
name
-
1.
The Carboniferous period.
石炭纪
地质
词汇关系
同义词 3
词源
From carboniferous (“producing carbon”), from carbon + -i- + -ferous.
来源:wiktionary