描述图表的英语作文通常遵循以下步骤和结构：

引言

简短地介绍图表的主题和目的。

使用适当的描述性动词，如 "show"、"indicate"、"depict" 等。

图表概述

概括图表中的主要数据或趋势。

使用图表类型（如柱状图、折线图、饼图等）进行描述。

详细描述

逐一描述图表中的各个数据点或趋势。

使用具体的数值、百分比、变化等细节信息。

注意使用连接词和过渡词，使描述连贯。

分析和解释

分析图表中数据变化的原因或影响。

提出自己的见解或结论。

总结

总结图表中的关键信息。

强调图表所揭示的主要趋势或现象。

Example:

According to the bar chart, we can see that the percentage of people in different age groups who use social media platforms varies significantly. The younger age groups, particularly those aged 18-29, have the highest usage rates, with over 90% using social media. In contrast, the older age groups have lower usage rates, with the percentage decreasing as age increases. This suggests that social media is more popular among younger demographics.

Moving on to the line graph, it illustrates the fluctuation in the average temperature throughout the year. We can observe that there is a clear seasonal pattern, with the highest temperatures occurring in the summer months and the lowest temperatures in the winter months. This trend is consistent across different years, indicating that climate change may be having a significant impact on temperature variations.

In summary, both the bar chart and the line graph provide valuable insights into the usage of social media and temperature fluctuations, respectively. The younger age groups' high social media usage and the clear seasonal pattern in temperature changes are noteworthy trends that warrant further investigation.