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preserve［pri’zə
:rv］n. 保护；维护；保存
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例句 1. Finally, the preserved building offers an important clue for historians to study the history of this city. 最终，保存下来的建筑为历史学家们提供了研究这座城市历史的一个重要线索。
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2. It is stupid for the government to construct new buildings without preserving the artifacts. 政府在建造新建筑时疏于保护工艺品的做法是愚蠢的。
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3. It is a village where traditions of the past are preserved for visitors. 这个村子将过去的传统为游客保留了下来。
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派生 preservation（n. 保存，存留）
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要点 preserve不但可以表示保护某些事物，还可以表示维护某种状态，比如：We made every effort to preserve peace. 或者：Government should preserve the rights of people.
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prevent［pri’vent］v. 阻止，妨碍
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搭配 prevent from doing sth. 阻止做某事
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例句 Nowadays, the advanced technology can prevent cancer from developing. 如今，先进的技术可以阻止癌症的恶化。
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proceed［prou’si
:d］v. 进行；发生；继续
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例句 1. If the site has archaeological value, the builders, archaeologists and local government should get together to make a plan for its preservation, such as only constructing new buildings when it is allowed to proceed. 如果这个遗址具有考古学意义，那么，建筑师、考古学家和当地政府就应该一起为其制订保护计划，比如只有在得到允许之后才继续建造新的建筑。
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2. As one proceeds toward the Southeast, a remarkable change in vegetation can be seen. 当往东南地区行进时，会看到植被的显著变化。
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同义 progress（v. 前进，行进）；occur（v. 发生）
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prodigious［prə’diʤəs］a. 巨大的；大量的
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例句 1. Both local and international business brought a prodigious amount of fortune that will be accumulated to our country. 国内和国际业务一起为我们的国家带来了一笔巨大的财富积累。
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2. Animals that are adapted to the severe environment of deserts can drink prodigious water within a short time. 习惯了沙漠严峻环境的动物可以在短时间内饮用大量的水。
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例句 1. These policies will not only increase workers’ productivity but also reduce conflicts among them. 这些政策不但可以提高工人的生产力，还能减少他们之间的冲突。
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2. If a company allows employees to have fewer working hours, it is likely to hire more people in order to meet the normal levels of productivity. 如果一家公司允许员工工作更少的时间，那么这家公司很可能需要雇用更多的员工以达到正常的生产水平。
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同义 fertility（n. 生产力）
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projector［prə’ʤektər］n. 放映机，幻灯机，投影仪
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例句 1. In ancient times, it was nearly impossible for people to imagine things like an electric light and a movie projector. 在古代，人们几乎无法想象类似电灯或电影放映机这样的东西。
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2. Projectors have been widely used in class in numerous activities. 投影仪已经在大量课堂活动中得到了广泛的使用。
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radiation［ˌreidi’eiʃn］n. 放射；辐射；放射物
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搭配 solar radiation 太阳辐射；radiation therapy 放射疗法
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