esker
noun [ C ] geology specialized uk/ˈes.kər/ us/ˈes.kɚ/
蛇（形）丘
a long, narrow, raised line of earth, small stones, and sand left on the earth's surface where melted ice once flowed under a glacier
| 单词 | esker |
| 释义 | esker noun [ C ] geology specialized uk/ˈes.kər/ us/ˈes.kɚ/ 蛇（形）丘 a long, narrow, raised line of earth, small stones, and sand left on the earth's surface where melted ice once flowed under a glacier |
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