| 71. | The river which forms the eastern boundary of our farm has always played an important part in our lives. |
| 形成我们农场东部边界的一条河流一直在我们生活中发挥着重要作用。
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| 72. | There is only enough spring water to supply the needs of the houses, so we have to pump from the river for farm use. |
| 泉水只能满足家庭生活用水，因此我们必须从河里抽水以用于农业生产。
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| 73. | Sometimes were go upstream to a favourite backwater, sometimes we have our party at the boathouse, which a predecessor of ours at the farm built in the meadow hard by the deepest pool for swimming and diving. |
| 有时，我们溯流而上来到我们喜爱的回水河汊举办；有时在船坞举办。那船坞是农场一位前辈在一块草地上盖的，草地紧挨着一个专供游泳、跳水的深水池。
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| 74. | We are lucky in that only the lower fields, which make up a very small proportion of our farm , are effected by flooding, but other farms are less favorably sited, and flooding can sometimes spell disaster for their owners. |
| 其他农场地势欠佳，洪水有时会给农场主带来灾难。
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| 75. | We were, however, worried about our nearest neighbors, whose farm was low lying and who were newcomers to the district. |
| 不过，我们很为我们的近邻担心。他们的农场地势低洼，而且他们又新来乍到。
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| 76. | Contamination of water supplies is usually due to poor sanitation close to water sources, sewage disposal into the sources themselves, leakage of sewage into distribution systems or contamination with industrial or farm waste. |
| 水源的污染通常是由于接近水源的地方卫条件太差而造成的：污水排入水源，污水渗入给水系统或工农业污水造成污染。
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| 77. | New ways have been found for controlling harmful insects, for preserving food, for packaging, storing and marketing farm products. |
| 控制害虫、保藏食物以及包装、贮藏和推销农产品的新方法发明了。
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| 78. | When that recovery did not occur farm leaders moved further along the road toward advanced governmental participation. |
| 当那种恢复没有成为事实时，农业界领导人就进一步要求政府干涉。
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| 79. | He has a chicken farm . |
| 他有一个养鸡场。
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| 80. | We work on the farm . |
| 我们在农场工作。
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