| 单词 | metal-mining |
| 释义 | > as lemmasmetal-mining metal-mining n. ΚΠ 1855 J. R. Leifchild Cornwall: Mines & Miners 284 The great advantage..of metal-mining over coal-mining is [etc.]. 1922 Amer. Econ. Rev. 12 654 Separate chapters are given to the unions in the brewing industry, in coal mining, and in metal mining. 1991 RTZ Rev. Dec. 3/1 While the Palmetto State experienced something of a boom in precious metal mining during the 1980s, before this the area hadn't seen much metal mining since the beginning of the Second World War. < as lemmas |
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