在雅思写作中，描述动态图时，以下是一些常用的词汇和表达方式：
趋势动词
上升：increase, rise, grow, soar, surge, boom
下降：decrease, fall, drop, decline
保持稳定：remain stable
波动：fluctuate between…and…, hover around
达到顶点/谷底：peak, bottom
放缓：slow
开始于/达到/结束于：start at/reach/end at
趋势名词
上升：increase, rise, growth
下降：decrease, drop, fall
波动：fluctuation
顶峰：reach to a peak of
谷底：a bottom of
修饰词
显著的：significant, noticeable
重要的：important, crucial
时间表达
单个时间点：in
起始时间：from…onward
结束时间：until/by
时间段：for/during/over/in
连接词和短语
This was followed by…
in the following/succeeding/next xx years
the situation continued until
示例句子
The consumption of fish also declined.
The number of students coming to the school decreased sharply.
The graph shows a significant increase in sales over the past year.
请根据具体情况选择合适的词汇和表达来描述动态图中的趋势和变化。希望这些信息对你的雅思备考有所帮助
