nivation niche 雪蚀凹
nivation glacier [水文] [地理] 雪蚀冰川
nivation hollow [地理] 雪蚀凹地
nivation ridge 雪蚀岭
nivation hollows 雪蚀洼地
nivation basin 雪蚀洼地
Nivation Swale 雪蚀洼地
以上来源于: WordNet
N the weathering of rock around a patch of snow by alternate freezing and thawing 雪蚀
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