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词汇
Pennsylvanian period
释义
Pennsylvanian period
基本
英英
近义反义
宾夕法尼亚纪
Noun:
from 310 million to 280 million years ago; warm climate; swampy land
近义词
PennsylvanianPennsylvania…
Upper Carboniferous上石炭统
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更新时间：2026/9/29 20:27:03