你可以远足穿越菲什干河大峡谷–这全由你自己决定。
You could hike through the Fish River Canyon – it's entirely up to you.
澜沧河大峡谷表现出千差万别的形态。
如此的侵蚀可能磨损出峡,或峡谷。科罗拉多河大峡谷是世界上最大的河流峡谷。
Such erosion may cut a gorge or canyon. The Grand canyon of the Colorado river is the largest river canyon in the world.
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