1、趋势词汇

?上升动词类：increase,?rise,?grow,?jump,?surge,?shoot?up,?soar

?下降动词类：decrease,?decline,?fall?down,?drop,?sink,?

?波动动词类：fluctuate

?持平动词类：remain?the?same,?stabilize,?remain?stable,?remain?constant

?修饰动词的副词：slightly?轻微地，slowly?缓慢地，gradually?逐渐地，steadily?稳定地，rapidly迅速地，moderately?温和地，轻微地，significantly?明显地，sharply?明显地，dramatically急剧地，drastically?急剧地?

?上升名词类：increase,?rise,?growth,?jump,?surge

?下降名词类：decrease,?decline,?fall,?reduction,?drop

?波动名词类：fluctuation

?修饰名词的形容词：slight,?slow,?gradual,?steady,?rapid,?moderate,?significant,sharp,?dramatic,?drastic.

?2、极值类词汇和表达

?最高点：reach?the?peak/top/highest?point

?Increase?to?the?peak/top/highest?point(所有上升类的动词都可以替换掉increase)

?最低点：reach?the?bottom/lowest?point/drop?to?the?bottom/lowest?point(所有下降类的动词都可以替换掉drop)

?占了：occupy/make?up/take?up/account?for/represent/constitute

?3、倍数的表达方式

?Double?是两倍/大一倍

?Increase/decrease?three?times?增长/减少了三倍

?4、大约的表达方式

?Approximately/About/around+数字?