连续上涨和下滑

表示连续性的增长或下降，可以consecutive 或 in a row 以及in a straight months/years。另外，也可以直接用类似 a 17-month low/high的表达方式。例如：

Food prices fell by 2.5% in the year to September in the wake of continued supermarket price wars. This means that prices in the sector fell for the 15th month in a row.

由于超市价格战，9月份食品价格下跌2.5%。这意味着食品行业价格连续15个月下滑。

Spain's economy shrank for a seventh consecutive quarter between January and March as domestic demand slumped.

由于国内需求暴跌，西班牙经济在第一季度出现连续七个季度的萎缩。

Today Microsoft announced that for the 25th consecutive month, its Xbox 360 console was the best selling device in its class.

微软在今天宣布其Xbox 360持续25月在同类产品中实现销售第一。

Pound weakened against both the euro and the dollar, nearing a 17-month low against the dollar of $1.5188 and slipping 0.2% lower against the euro.

英磅兑换欧元和美元走弱，美元的汇率接近17个月来的最低，为1：1.5188，与欧元的汇率则下跌了2%。

峰值和低谷

在某种趋势（momentum）达到了最高或是最低时，通常用highest或lowest来表示。

▌最低点：lowest 或 lowest level

Meanwhile, petrol prices fell by 3.7p per litre over the year, and diesel prices - at 110.2p per litre - are at their lowest in close to six years. There was also a fall in the price of household gas.

同时，汽油价格在过去的一年每升下跌3.7便士，柴油价格每升降至110.2便士，均接近六年来最低值。家用天然气价格也出现下跌。

The Purchasing Managers UK Services PMI slipped to 55.8 in December, down from 58.6 in November, marking its lowest level since May.

英国服务业PMI指数从（2014年）11月的58.6下跌至12月的55.8，是五月以来最低点。

▌最高值/记录：用high、the highest或record high/level来表示。看例句，注意相关的动词搭配，

The stock has shed almost 45% since notching a high of $119.15 back in November.

与2014年11月接近119.15美元的高点相比，股价暴跌了45%。

Goldman's shares, which hit their highest since May 2008 on Wednesday, were down 0.3% at $200.53 in afternoon trading amid questions about whether the results were sustainable.

4月15日上午，高盛的股价涨至自2008年5月以来新高，随后下午降至每股200.53美金（降0.3个百分点），人们纷纷议论这个结果是否维持得下去。

The Dow Jones Industrial Average surged to a new record level Tuesday, closing well above a peak set before the US economy entered a recession in 2007.

道琼斯平均工业指数在周二达到新高，收盘时超过美国在2007年进入衰退前的最高指数。

描述增减的常用词汇

· 表示增加

to add

(to be) up

to build up

to climb

to come up

to enhance

to gain

to go up

to grow

to increase

to push up

to rise

· 表示增长幅度很大

to jump 跃升

to rocket 猛增

to shoot up 猛增

to surge 大幅度上升

· 表示减少

(to be) down

to bring down

to come down

to cut

to decline

to descend

to drop

to fall

to do down

to lessen

to lower

to reduce

to retreat

to slide

to slow down

· 表示减少的幅度很大

to plummet

to plunge

to collapse