41. | Reserve your energy for other work. |
| 留点精力干其他工作吧。
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42. | Splitting an atom will bring about [cause, effect] a release of energy . |
| 原子核裂变会释放能量。
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43. | He worked in the Ministry of Energy . |
| 他在能源部工作。
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44. | My energy lessens gradually with age. |
| 我的精力随着年龄增长而逐步衰退。
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45. | His energy seems to have no limits. |
| 他似乎有无限的精力。
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46. | There is a limit to a man's energy . |
| 一个人的精力有限。
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47. | The fields of hydroelectric power and atomic energy have shown a marked growth. |
| 水力发电和原子能领域有明显的发展。
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48. | That bus ride every day kills off all of my energy . |
| 每天坐那趟公共汽车使我筋疲力尽。
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49. | Energy crisis is a tremendous problem. |
| 能源危机是一个大问题。
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50. | We consumed much time and energy in writing this book. |
| 我们写这本书耗费了很多时间和精力。
|