| 单词 | copper-smoke |
| 释义 | > as lemmascopper-smoke copper-smoke n. the gases from the calcination of sulphuretted copper ores (Raymond). ΚΠ 1881 Trans. Amer. Inst. Mining Engineers 1880–1 9 123 Copper-smoke, the gases from the calcination of sulphuretted copper-ores. < as lemmas |
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