"Some decades ago, the glacier was sitting on this ridge and the friction of the ridge was restraining the flow of the glacier," he explained.
“几十年前，冰川坐落在这道海脊上，其摩擦力阻止了冰川流动，”他解释道。
"Some decades ago, the glacier was sitting on this ridge and the friction of the ridge was restraining the flow of the glacier," he explained.
“几十年前，冰川坐落在这道海脊上，其摩擦力阻止了冰川流动，”他解释道。
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