| 61. | He soused himself in the literature of that period before writing his term paper. |
| 在写学期论文前他沉浸在那段时期的文学作品之中。
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| 62. | What a short span of time is a period of ten years! |
| 10年是多么短的一段时间啊！
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| 63. | Adolescence is the period of transition between childhood and adulthood. |
| 青春期是童年与成年之间的过渡时期。
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| 64. | At that period , anti-foreign feeling still ran high. |
| 在那时，排外情绪仍很高涨。
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| 65. | The treaty shall remain in force for a period of ten years. |
| 该条约的有效期为10年。
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| 66. | Recently the New York Animal Medical Center made a study of 132 cats over a period of five months. |
| 最近，纽约动物医疗中心对132只猫进行了为期5个月的综合研究。
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| 67. | After a long period of rain the river may overflow its banks. |
| 久雨这后，河水会泛滥成灾，但是在我们这里，气候很少发生异常，河水极少泛滥。
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| 68. | It is fairly clear that sleeping period must have some function, and because there is so much of it the function would seem to be important. |
| 很清楚，睡眠必然具有某种作用。睡眠占去那么多时间，所以其作用似乎还是很重要。
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| 69. | 'Rest', in terms of muscle relaxation and so on, can be achieved by a brief period lying, or even sitting down. |
| “休息”，从使肌肉得到放松等方面来看，只要稍微躺一躺，甚至坐一坐就能达到。
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| 70. | And although no period or place in American history has been more absurdly romanticized, myth and reality did join hands in at least one arena, the conflict between the individual and encroaching civilization. |
| 虽然在美国历史上没有任何时期或地区像西部拓荒时期那样被荒谬地浪漫主义化了，但神话和事实至少在某一个舞台上共存，也就是存在于个人与渐渐闯入的文明这两者的冲突之中。
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