上升:rise, increase, incline, ascend, surge, rocket up,
下降: fall, decrease, decline, descend, fall, plunge
幅度大：significantly, dramatically,considerably,noticably, markedly, greatly,
幅度小：minorly, slightly
慢：slowly, gradually
快：rapidly, sharply,
中等;moderately,modestly
持平：level off, stay constant, stablize
波动：fluctuate flctuation
达到顶点：peak at, reach the peak of , summit/climax, the highest point, hit a record high,
达到低谷： bottom at, reach the bottom of,reach the valley of, lowest point
居高不下：reach a plateau of
句型：
5 v+adv.
The rate of crimes increased rapidly from 1990 to 2000.
6.There is a +adj +n
There was a rapid increase in the crime rate from 1990 to 2000.
7. …show an upward/ downward trend
The crime rate shows an upward trend from 1990 to 2000.
8. 时间见证
The last decade in the 20th centure witnessed the growth in the rate of crime.
加入数据
分词形式 The rate of crimes increased rpidly, inclining/ from 15% in 1990 to 25% in 2000.
副词形式The rate of crimes increased rpidly, up from 15% in 1990 to 25% in 2000.
定语从句The rate of crimes increased rpidly, which inclined from 15% in 1990 to 25% in 2000.
…表大概
Approximately, roughly, about, nearly/ less than, more than 表推测
It can be expected/ predicted/speculated that….
It is possible to expect/predict/speculate…
表分别是
Respectively, seperately, each
A and
B ascended gradually, rising from 2to 5 and 3 to 4 respectively.。