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单词 Lower Carboniferous period
释义
Lower Carboniferous period
(extremely rare)
n

WORD FAMILY
Lower Carboniferous period
USAGE EXAMPLES
When they re-emerge, in what is called the Lower Carboniferous period, they do, indeed, live up to their potential.
Economist(Dec 08, 2016)
n from 345 million to 310 million years ago; increase of land areas; primitive ammonites; winged insects
Syn|Exp
Lower Carboniferous, Missippian period, Mississippian
geological period, period
a unit of geological time during which a system of rocks formed
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更新时间:2024/12/22 18:51:14