| 31. | Iron differs from lead. |
| 铁与铅不同。
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| 32. | The Greeks ascribe the discovery of iron to themselves. |
| 希腊人认为铁是他们发现的。
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| 33. | Belgium was an early seat of the iron manufacture. |
| 比利时是早期的炼铁工业中心。
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| 34. | I got a nasty shock from the electric iron . |
| 我被电熨斗重重地电击了一下。
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| 35. | The tablecloth was smoothed over with an iron . |
| 台布已用熨斗烫平。
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| 36. | Smooth this dress with a hot iron . |
| 用热熨斗把这衣服烫平。
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| 37. | Iron softens with heat. |
| 铁受热后会变软。
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| 38. | The roof is supported on iron pillars. |
| 屋顶由铁柱支撑着。
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| 39. | Iron ore occurs there in abundance. |
| 那儿铁矿丰富。
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| 40. | Iron has a variety of uses. |
| 铁有种种用处。
|