51. | The fire engine wheeled to the scene of fire. |
| 消防车驶向失火地点。
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52. | The engine exhausts through a muffler. |
| 引擎从消音器排气。
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53. | This diagram is a good explanation of how an automobile engine works. |
| 这张图是对汽车引擎工作原理的很好说明。
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54. | The steam engine was not invented until James Watt had made many experiments with steam. |
| 直到詹姆士.瓦特进行许多次蒸汽试验以后,蒸汽机发明出来。
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55. | The engine has a rating of 100 HP. |
| 这引擎有100匹马力。
|
56. | The diesel engine runs perfectly well. |
| 这台柴油机运转的十分良好。
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57. | The engine of the train left the rails at a curve. |
| 火车头在拐弯处脱轨。
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58. | The cars all stopped to let the fire engine by. |
| 车辆都停下来,让消防车通过。
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59. | The engine is letting off steam to relieve the pres-sure in the boiler. |
| 机车在放蒸汽,以减小锅炉的气压。
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60. | The trouble lies in the engine . |
| 毛病出在引擎上。
|