我们沿着弯曲的峡谷前行，在仅仅4英尺窄的路面。

We walk around a tight curve in the canyon, barely four feet wide.

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照片显示珠峰北坡被冰雪所覆盖，在它下面“大绒布”冰河以大幅度弯曲的“S”型曲线穿过广阔并充满岩石的峡谷。

It showed the ice-encrusted north face of Everest and, below it, the great river of ice known as the Main Rongbuk Glacier, flowing in a sweeping, S-shaped curve down a broad, stony valley.

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乌江属典型的山区峡谷弯曲型河道。

Wujiang river belongs to a classical winding canyon river.

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