21. | Energy exists as potential or kinetic. |
| 能量以势能或动能的形式存在。
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22. | Even after hours of work his energy never seems to give out. |
| 甚至在工作了好几个小时以后,他的精力似乎也从来不会枯竭。
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23. | She is working with extraordinary energy . |
| 她以惊人的干劲工作着。
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24. | feverish energy . |
| 狂热的劲头。
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25. | He was man of great energy . |
| 他是个精力充沛的人。
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26. | Thanks to the energy of its originator, the scheme of founding the club has at last been realized. |
| 多亏发起人的积极努力,成立俱乐部的计划终于实现了。
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27. | bend one's energy on sth. |
| 把精力集中在某事上。
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28. | He consumed much time and energy in writing this book. |
| 他写这本书,耗费了很多时间和精力。
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29. | dedicate one's energy to sth. |
| 把精力用在某事上。
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30. | expend energy on sth. |
| 在某事上花费精力。
|