glacial polish
名词 n.
英文释义
名词 n.
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The appearance of rock after having been worn smooth by a passing glacier.
— Tenaya Lake was at one time under as much as 2,460 feet of glacial ice that produced a pressure of about 74 tons per square foot and extensive glacial polish (fig. 18).
词形变化
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数据来源: Wiktionary