| 单词 | metal ore |
| 释义 | > as lemmasmetal ore metal ore n. ΘΚΠ the world > the earth > minerals > ore > [noun] > metal ore metal orea1387 metal stone1612 thracksat1678 minera1755 a1387 J. Trevisa tr. R. Higden Polychron. (St. John's Cambr.) (1869) II. 17 (MED) Þe erþe of that lond is copious of metal ore and of salt welles. c1400 Comm. on Canticles (Bodl. 288) in T. Arnold Sel. Eng. Wks. J. Wyclif (1871) III. 67 (MED) Hillis holden stoones and metal-oor. 1612 S. Sturtevant (title) Metallica,..comprehending the doctrine of diverse new Metallical Inventions, but especially how to..work all kinde of mettle-oares. 1841 J. W. Ord Bard 83 More terrible and potent in their roar, Than aught of earthly skill, or practised art Of cunning mechanist from metal ore. 1978 G. C. Hill & J. S. Holman Chem. in Context xix. 293 One of the most common methods of purifying metal ores is froth flotation. < as lemmas |
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