beaded esker 串珠蛇形丘 ; 连珠蛇丘
esker trough 蛇丘谷 ; 蛇丘槽
double esker 重叠蛇形丘
esker delta 蛇丘三角洲
esker knobs 蛇丘丛
esker ridge 蛇丘脊
esker drift 冰河砂堆
alert esker 威斯克
esker lake 蛇丘湖
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以上来源于: WordNet
N a long winding ridge of gravel, sand, etc, originally deposited by a meltwater stream running under a glacier 冰河沙堆 (Also called os)
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