powell river 中文意思是什麼
powell river
解釋
鮑威爾河-
Major john wesley powell and his party of nine made the first successful boat trip down the colorado river through the grand canyon in 1869
1869年,陸軍少校約翰鮑華一行九人,成功首次乘坐小艇,穿越流經大峽谷底的科羅拉多河。
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