开头段
- show-compare（两种对比) illustrate
- information-data-amount
- males/females-men/women
- from... to... -between ... and ... /over a period of ... years
- 线图 line graph-graph
- 名词改动词
修饰
- 显著程度
- 急剧
sharp(sharply)/rapid(rapidly)/dramatic(dramatically) - 显著地，大幅度地
significant(significantly)/noticeable(noticeably)considerable(considerably)/ - 轻微地
slight(slightly) - 持续地
consistent(consistently)/ - 稳步的
steady(steadily)/gradual(gradually) - 大约
about/around/just over(略多于)/just under(略少于)/approximately - 分别
respectively
- 趋势
- 波动：fluctuate（fluctuated）
- 增长：go up(went up), grow(grew), rise(rose), increase
show an upward trend
例子：grew from ...(数据) to ...(数据)
rise from ...(数据) to ...(数据)
increase (steadily) to ... by（年份） - 降低：reduce， drop,fall
show a downward trend
例子：drop by 6% between ...(年份) and ...(年份)
fell back to the 1980 figure 先上升再回到原点的地方
with falls in ...（对象） from ....(数字 ) to ...(数字) - 稳定
remain stable at
remain steady at - 经历变化
see, experience, witness
例子：saw a significant increase
saw an opposite trend
experience a sharp rise from .... to ... - 到最高点
peak at, reach its peak at ,,,
例子：after peaking at ...(数字) - 到最低点
reach its lowest point at, fall to its lowest point at - 达到，位于
reach/stand at - 占份额
account for
make up
constitute
represent - 预测(常用被动语态)
expect
predict
project - 倍数
两倍
double(过去时doubled)变为过去的两倍
increase twofold（变成原来的两倍）
triple（过去时tripled）变为过去的三倍
例子：
同一事物不同时间倍数
double from ...(数字) to ...(数字) between ....（年份） and ...(年份)
一个事物是另一个事物的倍数
be twice as high(...) as ...
be three times as high(...) as...
almost doubled
more than doubled
was nearly three times as high as - 始终高于/低于
is consistently higher than
始终高于
is consistently lower than
始终低于 - 差距变小/变大
the gap between ... and ... narrowed/widen. - 原来少于，后来超过
exceed(exceeded,接数字或者百分数)
overtake(overtook接比较的对象)
描述趋势数字展示的幅度用by！可以表示百分比或者数字 - 相反趋势
opposite trend
different pattern - 极值
最高级 如 the most popular
主体段
- 句式
we can see ... from ...(graph...) that
it is clear that ... - 关注特征
起点，终点，转折点，相同，倍数，极值，趋势
其他
- 数字
amount， figure
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