| 31. | The school has an orientation toward practical skills. |
| 这所学校致力于培养使用技能。
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| 32. | It has ceased to have practical utility. |
| 它已不再实用。
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| 33. | Your mother has been frightened to death. You must never play these practical jokes any more. |
| 你妈妈被吓坏了，你再也不能这样恶作剧了。
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| 34. | Moreover, as soon as new knowledge is acquired, it is now turned to practical account. |
| 而且，新知识一旦获得，便得到实际应用。
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| 35. | but of accumulated knowledge applied to practical life. |
| 而是积累起来的知识应用到实际生活中的结果。
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| 36. | It has never been explained why university students seem to enjoy practical jokes more than else. |
| 谁也弄不清为什么大学生好像比任何人都更喜欢恶作剧。
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| 37. | Students specialize in a particular type of practical joke: the hoax. |
| 大学生擅长一种特殊的恶作剧——戏弄人。
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| 38. | May people in industry and the Services, who have practical experience of noise, regard any investigation of this question as a waste of time; |
| 在工业部门工作和在军队中服役的许多人对噪声音有切身的体会，他们认为对这个问题进行调查中浪费时间，
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| 39. | Later, for its personal safety and practical needs, it has to develop ( partly by means of touch) the ability to judge roughly three-dimensonal distances. |
| 慢慢地，由于自身安全和实际需要，儿童必须发展（部分通过触觉）粗略判断三维空间距离的能力。
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| 40. | But having satisfied the requirements of practical necessity, most people go no further. |
| 但是。大部分人在满足了实际需要后，就不再继续发展这种能力了。
|