核心动态词

这是线图的灵魂，用来描述数据的变化趋势，切忌只用 increase 和 decrease。

上升

• 基础: increase, rise, grow, go up
• 高分:
  • climb (稳步上升): The number of climbers climbed steadily from 2010 to 2025.
  • surge (激增，猛涨): There was a surge in online sales during the holiday season.
  • soar (飙升，达到很高): House prices soared to an all-time high in 2025.
  • rocket (火箭般上涨): Profits rocketed after the new product launch.
  • leap (跳跃式上升): The company's market share leaped from 10% to 25%.

下降

• 基础: decrease, decline, fall, drop, go down
• 高分:
  • plummet (暴跌): The stock price plummeted following the bad news.
  • slump (骤降，暴跌): The economy slumped into recession.
  • dip (小幅下降，回落): There was a slight dip in temperature this morning.
  • plunge (猛跌): The value of the currency plunged.
  • worsen (恶化，通常用于指数): The city's air quality worsened significantly.

波动

• 基础: fluctuate
• 高分:
  • fluctuate wildly/sharply/considerably (剧烈/大幅/相当程度地波动): The unemployment rate fluctuated wildly during the crisis.
  • be volatile (不稳定的，多变的): The energy market has been highly volatile this year.
  • see-saw (像跷跷板一样来回变化): Public opinion began to see-saw on the issue.

保持稳定/不变

• 基础: stay the same, remain stable, remain constant
• 高分:
  • stabilize (趋于稳定): After the initial drop, prices began to stabilize.
  • level off (平稳下来，达到平稳期): The population growth leveled off in the 1990s.
  • plateau (达到高原期，进入平台期): Profits plateaued for a few years before starting to rise again.
  • remain static (保持静态): The number of employees remained static over the five-year period.

达到峰值/触底

• 基础: reach the highest/lowest point
• 高分:
  • peak (达到顶峰): Tourism numbers peaked in August.
  • reach its zenith/reach a peak (达到顶点): The company's popularity reached its zenith in the late 90s.
  • hit a record high/low (创历史新高/新低): The stock market hit a record high yesterday.
  • bottom out (触底，跌至最低点): After months of decline, sales finally bottomed out.

描述程度和速率的副词

这些副词能让你的描述更精确、更生动。

• 急剧地: sharply, rapidly, dramatically, drastically, steeply, suddenly
• 缓慢地: slowly, gradually, steadily
• 轻微地: slightly, marginally, marginally
• 显著地: significantly, considerably, substantially, markedly
• 平稳地: smoothly
• 波动地: erratically, unpredictably

例句:

• The number of users increased dramatically from 2025 to 2025.
• The temperature rose gradually throughout the morning.
• There was a slight decrease in the price of oil.

数据表述和比较词汇

数据表述

• 占...比例: account for, constitute, make up, represent
  • 例句: Online sales account for over 50% of total revenue.
• 达到...数量: reach, hit, attain, stand at
  • 例句: The figure reached a peak of 10,000 in May.
• 从...增加到...: increase from... to... / rise from... to...
  • 例句: The population rose from 5 million to 8 million.
• 与...相比: compared with / to, in comparison with / to
  • 例句: Compared with 2025, the growth rate in 2025 was much slower.

比较词汇

• 超过: exceed, surpass, overtake
  • 例句: Sales in the second quarter surpassed those in the first.
• 少于: be lower than, be less than
• 大约: approximately, around, about, roughly, nearly, almost
• 最高: the highest, the largest, the peak
• 最低: the lowest, the minimum, the bottom
• 平均: average, on average
  • 例句: On average, students spend 20 hours per week on homework.

图表和趋势描述的“万能句式”和高级词汇

开篇句

• The line graph illustrates/depicts/casts light on the changes in [数据] over a period of [时间].

  这个图表展示了[数据]在[一段时间]内的变化。

• As is illustrated/demonstrated by the line graph, [数据] experienced a series of fluctuations from [开始时间] to [结束时间].

  如图所示,[数据]从[开始时间]到[结束时间]经历了一系列的波动。

描述总体趋势

• Overall, it is apparent that there was a general trend of [上升/下降/稳定] in [数据].

  总体而言，[数据]呈现出一个[上升/下降/稳定]的总体趋势。

• In general, the number of [名词] witnessed a significant [上升/下降] throughout the period.

  [名词]的数量在整个时期内经历了显著的[上升/下降]。

描述细节和转折

• A closer look at the graph reveals that...

  仔细观察图表可以发现...

• The most striking feature is that...

  最显著的特征是...

• Conversely/In contrast, [数据] showed an opposite trend.

  相反,[数据]呈现出相反的趋势。

• Following the initial increase, there was a period of stability.

  在最初的上升之后,是一段稳定的时期。

高级连接词和短语

• A (名词) + saw/witnessed/experienced + (变化).
  • 例句: The year 2025 witnessed a sharp decline in tourism.
• There was a/an + [形容词] + [名词] + in + [数据].
  • 例句: There was a dramatic surge in online shopping.
• [数据] experienced/underwent a [形容词] [名词].
  • 例句: The city's population underwent a rapid growth.

高分范文词汇示例

** The line graph below shows the number of overseas visitors to a certain country from 2010 to 2025.

低分版本: The line graph shows the number of foreign visitors. It went up and down. In 2010, it was low. Then it increased. In 2025, it was high. Then it decreased a little. In 2025, it was high again.

高分版本: The line graph illustrates the fluctuation in the number of overseas visitors to a particular country over a nine-year period, from 2010 to 2025.

Overall, it is apparent that the number of visitors experienced a general upward trend, despite some fluctuations.

Starting at around 5 million in 2010, the figure witnessed a steady increase, reaching approximately 8 million by 2025. This period was followed by a slight dip in 2025, after which the numbers rebounded sharply, surging to a peak of 10 million in 2025.

**In the