slag heap
名词 n.
英文释义
名词 n.
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A man-made mound or heap formed with the waste material (slag) as a by-product of coal mining. Can also refer to the waste by-product from a foundry or furnace, formed into such a mound.
— As the Lothian Plain is reached, collieries and slag heaps begin to appear, although much of the surrounding country remains unspoiled.
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数据来源: Wiktionary