| 41. | The frame of an airship is made of light but strong metal . |
| 飞船的骨架是用轻而坚固的金属制成的。
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| 42. | In modern times most ships have a metal framework. |
| 现代的大多数船只都用金属构架。
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| 43. | In severe cold, your fingers can freeze onto metal handles. |
| 严寒时，手指会冻得粘在金属把手上。
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| 44. | A highly polished metal surface flashes back light like a mirror. |
| 高度磨光的金属面像镜子一样反光。
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| 45. | The worker fined the metal down. |
| 那位工人把那块金属锤薄。
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| 46. | Glancing at the bits of wood and metal that lay around him, the man sadly picked up the mattress and carried it into his house. |
| 年轻人看了一眼周围的碎木片和碎金属片，伤心地捡起了床垫，把它拿进了屋。
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| 47. | 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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| 48. | Lined up against the wall, there were long thin wires attached to metal spheres. |
| 靠墙排列着许多细长的电线，而电线又连着金属球。
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| 49. | This time they fixed heavy metal clamps to both sides of the dish so that they could fasten the chains. |
| 这次，他们用沉重的金属夹子把盘子夹住，以便往盘子上安装铁链。
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| 50. | The garden was soon littered with chunks of metal which had once made up a lawn mower. |
| 于是，我决定把它拆开。
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