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单词 Missippian period
释义
Missippian period
(extremely rare)
n

WORD FAMILY
Missippian period
n from 345 million to 310 million years ago; increase of land areas; primitive ammonites; winged insects
Syn|Exp
Lower Carboniferous, Lower Carboniferous 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 22:07:25