| 51. | The invention of the steam engine brought about a great change in human life. |
| 蒸汽机的发明使人类生活发生了巨大的变化。
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| 52. | Steam and water power are used for the generation of electricity. |
| 蒸汽和水力可用来发电。
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| 53. | The ship began to go full steam ahead. |
| 船开始全速前进。
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| 54. | The steam can generate electricity by turning an electric generator. |
| 蒸汽能推动发电机发电。
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| 55. | Most steam engines are equipped with governors to regulate their speed. |
| 大多数蒸汽发动机都装有节速器来调节速度。
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| 56. | An old locomotive without steam cannot pull a car. |
| 旧式火车头没有蒸汽就拉不动车厢。
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| 57. | Steam drives machinery. |
| 蒸汽可以推动机器。
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| 58. | The steam exhausts into the condenser,. |
| 蒸汽派入凝汽室。
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| 59. | The ship was able to proceed under her own steam . |
| 那条船能够靠自身的蒸汽机（发动机）前进。
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| 60. | Steam a stamp off an envelope. |
| 用蒸汽使邮票脱离信封。
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