peak的反义词是foot 但是 peak 除了可以表示最高点(reach a peak), 也可表示最低点(down to a peak) 有关data analysis 的描述有很多, 提供一些词汇和例句供你参考, 希望对你有帮助:1. 垂宜的 vertical 水平的 horizontal 2. 表示下降的单字: decline, decrease, fall...3.表示上升的单字: rise, raise, onward, increase...4.表示上升或下降的副词: slight 轻微地 gradual 渐进地,慢慢地 sharp 急遽地 steady 稳定地5.表示维持在一个平稳状态的: remain steady, consistently (一致地, 总是地)6.表示波浪般起伏不断地: fluctuate, up and down7.表示有著不可思议,或戏剧般变化地: dramatically 例句参考:1. The graph shows changes in the amount of fast food consumed in the UK between 1970 and 1990. Several trends are apparent. Firstly................., Secondly,..... 2. In contrast, sales of hamburger and pizza rocketed. (指上升变化很大迅速) 3. There was a big increase in the consumption of pizza and hamburger, sales of fish and chips decreased. 4. sales were consistently above 200 million dirhams per month, rising sharply to a peak of 350 million dirhams in March. However, for the next four months, sales declined steadily, reaching an annual low of 120 million dirhams in July. 5. From September to October, sales recovered, from 120 to 180 million. In October and November, sales remained steady, and there was a small increase in December to 190 million dirhams. 以上图表描述, 请你仔细看, 应该会很有帮助, 其实只要同一个意思不要一直重复用同一个单字去表示就好, 互相替换著用, 加一些生动的副词, 表达清楚就好了~
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