饼图 (Pie Chart) - 比例分配

饼图展示各类别在整体中的占比，描述时需掌握比例表达的多种方式。

饼图特点

• 展示部分与整体的关系
• 各项比例之和为 100%
• 常与另一张饼图对比（如不同年份/国家）

核心词汇

1. 比例表达

2. 具体比例

高分句式

描述最大占比

• Transportation accounted for the largest proportion of emissions, at 35%.
• The most significant contributor was housing, representing nearly half.
• Food took up the lion's share of the budget.

描述较小占比

• Entertainment made up only a small fraction, at just 5%.
• The remaining categories collectively accounted for less than 10%.
• Miscellaneous items constituted a negligible percentage.

对比两个饼图

• Compared to 2000, the proportion of online sales rose from 10% to 35% in 2020.
• While housing costs remained stable at around 30%, food expenses declined significantly.
• The share of renewable energy almost doubled over the decade.

汇总相似项

• Sports and outdoor activities together accounted for 40% of leisure time.
• The three smallest categories combined represented only 15%.

范文结构

开头段

The two pie charts compare household expenditure in a developed country in 1990 and 2020.

概述段

Overall, housing remained the largest expense in both years, though its proportion increased. Meanwhile, spending on food decreased significantly.

细节段

In 1990, housing costs accounted for approximately 30% of total expenditure. By 2020, this figure had risen to 40%, making it the dominant category. Food, on the other hand, dropped from 25% in 1990 to just 15% in 2020. Transport and utilities remained relatively stable at around 15% each.

常见错误

[!CAUTION]

• ❌ 列举数字却不对比："A was 30%, B was 25%, C was 20%..."
• ❌ 忽略变化趋势（双饼图对比时）
• ❌ 数据相加不到 100%（检查遗漏）