01描述过程，流程常用句子The following diagraph shows the structure of…The picture illustrates …It mainly consists of…It works as follows.It always involves following steps.The whole procedure can be divided into…stages. 02描述流程，过程的常用过渡性词语firstlysecondlythirdly/finallythe first step is tothe next step is tothe last step is tothe first stage involvesin the next stagein the following stagein the last stagefirst of allto begin withnextthenlaterat the same timesimultaneouslysubsequentlyconsequentlybefore thisduringafter thisin the course ofin order to/in order not toin order thatso as to/so as not to 03流程的描述思路1. 首先说明是做什么工作的过程，目的是什么2. 准备工作3. 按时间/过程先后描述4. 结果5. 简单总结(可有可无) 04一个实物/器具工作过程的描述要点1. 实物是什么，做什么用的2. 基本结构3. 工作过程4. 简单总结
