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Pennsylvanian 音标拼音: [p,ɛnsɪlv'eniən] a. Pennsylvania的
n. Pennsylvania人 Pennsylvania的Pennsylvania人 Pennsylvanian n 1: from 310 million to 280 million years ago; warm climate; swampy land [synonym: {Pennsylvanian}, {Pennsylvanian period}, {Upper Carboniferous}, {Upper Carboniferous period}] 2: a native or resident of Pennsylvania [synonym: {Pennsylvanian}, {Keystone Stater}] Pennsylvanian \Pennsylvanian\ prop. n.
The geological period from 280 million to 310 million years ago; -- it was characterized by a warm climate and abundance of swampy land. Syn: Pennsylvanian period, Upper Carboniferous, Upper Carboniferous period. [WordNet 1.5] 2. A resident of the state of Pennsylvania. [WordNet 1.5]
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