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派生 sharply(ad. 急剧地)
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要点 sharp除了可以描述物体是“尖锐的,锋利的”外,在写作中更多用来表示数目或情况的剧烈变化。
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silicon[‘silikən]n. 硅
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搭配 silicon chip 硅片;silicon resin 硅树脂
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例句 For programmers who work in the Silicon Valley, computer language is their universal language although they come from different parts of the world. 对于在硅谷工作的程序员来说,尽管他们来自五湖四海,但计算机语言是他们之间共同的语言。
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simulate[‘simjuleit]v. 模仿,模拟;伪装;扮演
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例句 1. With the help of computer programs, many scientific experiments can be simulated in a much cost-effective way. 电脑程序可以以一种相当低成本的方式模拟许多科学实验。
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2. Computers can simulate environments that are needed to improve some theories but cannot be found in real life. 计算机可以模拟那些为完善某些理论所需的环境,而这些环境在现实世界中是不存在的。
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同义 imitate(v. 模仿)
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派生 simulation(n. 模拟)
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要点 imitate和simulate都有“模仿”的含义,但前者常指“模仿…的行为、举动等”,比如:imitate an accent(模仿一种口音);而simulate多指“模拟某种情境或假装某种状况”,比如:simulate a fight(模拟一场战斗)。此外要注意simulate和stimulate的词形很相似,写作时不要弄混。
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span[spæn]n. 跨度;一段时间 v. 跨越;持续;贯穿
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搭配 life span 寿命
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例句 1. The development in medical care and the healthy living habits enabled an extension of the life span. 发达的医疗服务以及健康的生活习惯使延长寿命成为可能。
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2. As you walk around the exhibition halls, look at the cultural relics and imagine the past, you may feel that you are traveling along a path spanning the history of this country. 当你辗转各个展厅之间,看着那些文化遗产,想象着过去的时候,你可能会感觉你正行走于一条跨越这个国家全部历史的道路上。
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static[‘stætik]a. 静态的,静止的;静电的 n. 静电
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搭配 static electricity 静电;static image 静态图像
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例句 1. The static made it so that I couldn’t hear what he was saying clearly. 静电噪音让我听不清他在说什么。
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2. The number of people applying for this position remains static. 申请这一职位的人数比较稳定。
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同义 stationary(a. 静止的)
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要点 static除了有“静止的”含义以外,也可以表示数量、状态等没有出现变化,与过去持平。
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structure[‘strʌkʧər]n. 结构,构造
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例句 1. Having legs under the body is a better body structure that can support more weight, and enables the animals to grow into a large size. 腿在身体下方是一种更好的身体结构,这样的结构能支撑更多的重量,并能使动物的体型变得更大。
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2. There are also worries that if the social structure is changed, the traditional life of this community will be affected. 此外还存在这样的顾虑:如果社会结构发生改变,那么这个社会的传统生活也将受到影响。
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3. Although students today value the practice, what we learn from books still forms an important part of our knowledge structure. 尽管如今的学生更重视实践,但从课本上学到的东西仍然是我们知识结构的一个重要组成部分。
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