The production of cement starts in a mixer, where limestone gravel and sand are converted into a mixture, which is then fed into a crusher. Here the mixture is ground into cement powder, and then is passed through a rotating heater.
上文中用到了convert、feed、grind、pass这四个动词的过去分词构造了被动语态,使过程的描写显得非常专业。
第三,引言段和结尾段的重要性
在流程图的引言段和结尾段写作中可以适当进行过程的阶段划分和总结,使文章的构思上一个层次,摆脱流水账的俗套。例如还是1月14日流程图,引言段可以这样写:
This diagram illustrates the recycling process of glass bottles. The whole process is a cycle which can be divided into three main stages.
再来看一道模拟题,是关于植物的光合作用和人类的呼吸过程,在最后,可以这样总结:
In summary, plants, humans and animals provide services for each other. Humans and animals need the oxygen that plants produce in order to stay alive. When humans and animals breathe out, they provide the carbon dioxide that plants need in order to survive.
这样就把两方面的过程完美地结合在了一起。
第四,要善于绕开专业的概念表达
在流程图中,有时不可避免的会出现一些比较专业的概念,考场上一时想不出对应的英文,这时候要善于利用已知的简单词汇,试着把这些专业的概念用简单的方式表达出来。例如,不知道如何表达房间通风这个概念,我们可以说air moving through the house来说明,不知道如何说斧头和锯子我们就用special tools来绕过,虽然不是描述得很精确,但总比不写或写错了要好。
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