雅思作文：小作文表达方式秘决
1. 与趋势有关的词语： 上升(动词)：increase, rise, climb, ascend, surge, shoot up 下降(动词)：decrease, decline, drop, fall, descend, plunge 持平(动词)：remain stable, keep constant, level off, flatten out 波动(动词)：fluctuate, wave, go up and down 快速(形容词/副词)：considerable/c...