雅思小作文描述趋势的常用词

　　表示上升:
　　climb, go up, ascend, shoot up，creep up, surge, boom, accrue,
　　leap, soar, jump, increase, rally, rise, rocket, improve,
　　表示下降:
　　go down, fall, fall off, drop, slump, decline, decrease, plummet, slide, slip,
　　shrink, dip, reduce, descend, sink, subside, ebb, creep down,
　　到达顶部:
　　top out, peak, reach a peak, reach the highest point, peak at..,
　　稳定:
　　level out, even out, remain stable/still/steady, stay constant,
　　keep its stability, remain unchanged...
　　significantly, markedly, surprisingly, noticeably, substantially...
　　平稳地:
　　steadily, smoothly, slowly, marginally, gradually, moderately, mildly...
　　波动:
　　fluctuate, witness/display/demonstrate a fluctuation,
　　go ups and downs, increase with fluctuation(波动式增长)