| 单词 | copper belt |
| 释义 | > as lemmascopper belt copper belt n. (also copperbelt) [belt n.1 10b] an area of central Africa in which great quantities of copper are mined. ΘΚΠ the world > the earth > minerals > mineral sources > [noun] > tract of land ground1548 coalfield1734 gas field1833 tin-ground1839 gold-diggings1848 goldfield1848 oilfield1863 oil belt1865 flat1869 tin-field1898 copper belt1955 oil patch1958 1955 Times 12 May 9/2 The four copper mining companies who are establishing a technical training foundation for young Europeans on the copperbelt. 1965 A. Holmes Princ. Physical Geol. (rev. ed.) xxx. 1145 The well-known Copper Belt of Katanga and Northern Rhodesia. < as lemmas |
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