| 61. | Machinery is operated by electricity . |
| 机器靠电开动.
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| 62. | This machine works [is worked] by electricity . |
| 这台机器是电动的。
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| 63. | Both students have made a good few experiments on electricity . |
| 这两个学生都做了不少电学实验。
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| 64. | The electricity flowed through the wire. |
| 电流通过导线。
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| 65. | Mrs. Richards realized that it must be the man from the Electricity Board who had come to read the metre. |
| 理查兹夫人这才想到一定是供电局来人查电表了。
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| 66. | Portable boiling elements that can boil small quantities of water are useful when the right voltage of electricity is available. |
| 如果有相配的电压，可以煮少量水的便携式热水装置是有用的。
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| 67. | Even when we turn off the beside lamp and are fast asleep, electricity is working for us, driving our refrigerators, heating our water, or keeping our rooms air-conditioned. |
| 即使在我们关掉了床头灯深深地进入梦乡时, 电仍在为我们工作: 帮我们开动电冰箱, 把水加热, 或使室内空调机继续运转。
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| 68. | The Aswan Dam, for example stopped the Nile flooding but deprived Egypt of the fertile silt that floods left - all in return for a giant reservoir of disease which is now so full of silt that it barely generates electricity . |
| 以阿斯旺大坝为例，它挡住了尼罗河的洪水，但也使埃及失去了洪水冲积的肥沃土壤，换回来的却是一个病态的大水库。现在水库积满泥沙，几乎不能用于发电了。
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| 69. | The Aswan Dam, for example, stopped the Nile flooding but deprived Egypt of the fertile silt that floods left-all in return for a giant reservoir of disease which is now so full of silt that it barely generates electricity . |
| 例如，阿斯旺大坝使得尼罗河不再洪水泛滥，但是它也夺去了埃及以前 所享有的洪水留下的肥沃淤泥--这些换宋的就是这么个疾病滋生的水 库，现在这个水库积满了淤泥，几乎不能发电了。
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| 70. | Unfortunately, there is very few evidence that big companies are willing to invest a huge sums of money in a place without sufficient basic projects, such as supplies of electricity and water. |
| 然而，很少有证据表明大公司愿意把巨额的资金投到一个连水电这些基础设施都不完善的地方去。
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