升高形容词类： increase, go up, rise up, grow up, jump up, surge, shoot up, keep an upward tendency
降低形容词类： decrease, go down, decline, fall down, drop, sink, dip, keep a downward tendency
环比增长形容词类： remain the same, stabilize, remain stable, remain constant
体现形容词的副词： slightly 轻度地, slowly 迟缓地, gradually 慢慢地, steadily 平稳地, rapidly 快速地, moderately 柔和地, 轻度地, significantly 显著地, sharply 显著地, dramatically大幅度地, drastically 大幅度地
升高专有名词类： increase, rise, growth, jump, surge
降低专有名词类： decrease, decline, fall, reduction, drop
体现专有名词的形容词： slight, slow, gradual, steady, rapid, moderate, significant, sharp, dramatic, drastic
最高峰： reach the peak/top/highest point
Increase to the peak/top/highest point(全部升高类的形容词能够替换成掉increase)
底点： reach the bottom/lowest point
drop to the bottom/lowest point(全部降低类的形容词能够替换成掉drop)
占的数最多： occupy/make up/take up/account for the largest proportion/number/percentage of …
占的至少： occupy/make up/take up/account for the smallest proportion/number/percentage of …
Increase/decrease three times 提高/降低了3倍
About/around + 大数字
大数字 + or so
Approximately + 大数字
Eg: The number of aged people over 65 increased significantly from 1940-2000.
The number of aged people over 65 dropped slightly from 1960-1980.
The number of aged people over 65 fluctuated between 1 million and 1.2 million from 1940-1950.
The number of aged people over 65 remained stable from 1930-1940.
句型二： There be + 形容词 + 表达发展趋势的专有名词 + in+ 转变的行为主体 + 時间区段
Eg: There was an significant increase in the number of aged people over 65 from 1940-2000.
There was a slight decline in the number of aged people over 65 from 1960-1980.
There was a fluctuation between 1 million and 1.2 million from 1940-1950.