| 单词 | stamp rock |
| 释义 | > as lemmasstamp rock stamp rock n. ore suitable for treatment by stamping. ΘΚΠ the world > the earth > minerals > ore > [noun] > suitable for stamping stamp rock1872 stamp gold1877 1872 R. W. Raymond Statistics Mines & Mining 314 The stamp-rock, it is said, yields about one ounce of retorted amalgam per ton. < as lemmas |
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