51. | Most plastics do not readily conduct heat or electricity . |
| 大多数塑料不易传热或导电。
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52. | In Great Britain the Electricity Authority and the National Coal Board are public corporations. |
| 在英国,电力管理处和国家煤矿管理处都是公共事务法人团体。
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53. | The charges for electricity and gas will be increased [lowered] next year. |
| 明年电费和煤气费要上涨[下降]。
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54. | In a thunderstorm there is a discharge of electricity from the clouds. |
| 下雷雨时,云层会放电。
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55. | The discovery by Franklin was that lightning was electricity . |
| 富兰克林的发现是,闪电就是电。
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56. | The dynamo is generating electricity . |
| 发电机在发电。
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57. | It stormed so hard that all the electricity went out. |
| 暴风雨大作,所有的供电线路都断电了。
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58. | The electricity supply has been threatened by recent strikes. |
| 供电受到了最近罢工的威胁。
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59. | A dynamo transforms mechanical energy into electricity . |
| 发电机变机械能为电能。
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60. | The plant turns out electricity from coal to the tune for 150, 000 kilowatts. |
| 那电厂的火力发电总量达15万千瓦之多。
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