Pennsylvanian /.pensil'veinjәn/ 📖 中文释义 a. 宾夕法尼亚的n. 宾夕法尼亚人 📘 English Definition(英文释义) n. from 310 million to 280 million years ago; warm climate; swampy landn. a native or resident of Pennsylvania ← Pennsylvania Dutch Pennsylvanian period →