| 11. | Chile ranks as a leader in total copper production. |
| 智利铜的总产量处于领先地位。
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| 12. | They proved up the copper deposit. |
| 他们探明了这个铜矿的矿床。
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| 13. | Iron casts better than copper . |
| 铁比铜容易浇铸。
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| 14. | The firm received a concession to prospect for copper . |
| 该公司获得勘探铜矿的特许权。
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| 15. | They contain copper . |
| 这些东西含铜。
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| 16. | Grandma boils the washing and her Christmas pudding in her copper . |
| 祖母既用大铜锅煮脏衣服，也用它煮圣诞布丁。
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| 17. | Pennies are made of copper . |
| 便士硬币是铜制的。
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| 18. | Are copper coins legal tender for a sum in excess of ￡10? |
| 超过10英镑的数目可以用铜币偿付吗？
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| 19. | Before she had anchored, the men from the boats had climbed on board and the decks were soon covered with colourful rugs from Persia, silks from India, copper coffee pots, and beautiful handmade silverware. |
| 一会儿工夫，甲板上就摆满了色彩斑斓的波斯地毯。印度丝绸。铜咖啡壶以及手工制作的漂亮的银器。
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| 20. | The actual figure was made of copper supported by a metal framework which had been especially constructed by Eiffel. |
| 这座雕像的主体是用铜制成的，由艾菲尔特制的金属框架支撑着。
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