1 ผลลัพธ์ สำหรับ *pennsylvanian period*
หรือค้นหา: pennsylvanian period, -pennsylvanian period-

WordNet (3.0)
pennsylvanian(n) from 310 million to 280 million years ago; warm climate; swampy land, Syn. Pennsylvanian period, Upper Carboniferous period, Upper Carboniferous

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