1 over the period from...to..the ..remained level.在..至..期间，基本不变。

2 in the year between...and...在...年到...期间...

3 in the 3 years spinning from 1995 through 1998...在1995-1998的三年中...

4 from then on/from this time onwards...从那时起...

5 the number of ...remained steady/stable from(month/year)to((month/year))..月(年)至...月(年)..的数量维持稳定

6 the number sharply went up to... 数字急剧上升至...

7 the percentage of ...stayed the same between...and... 在..至..期间...的百分比维持不变

8 the figures peaked at...in(month/year) 在某年某月...的数字达到顶点

9 the percentage remained steady at...比率维持在...

10 the percentage of...is slightly larger/smaller than that of... XX的比例比XX的比例略微大(小)一点...

雅思写作图标作文必背句型