一、常用词汇：

1.描述趋势：

一般上升：increase(n/v), rise(n/v), grow(th), climb, show an upward trend

猛烈上升：soar(猛升)

一般下降：decrease, decline, drop, fall, show a downward trend

猛烈下降：plunge(n/v), plummet(n/v)

平坦：level of/out, remain/keep + unchanged / constant / stable / steady

波动：fluctuate, fluctuation

2.描述程度：

急剧地：sharply, rapidly, significantly, dramatically, considerably

平缓地：slightly, marginally, slowly, gradually

3.描述数据大小：

大约：about, around, approximately, almost, nearly

超过：just over 50

低于：just below 50

4.其他

表示分别：A and B are data1 and data2 respectively(A和B分别为data1和data2)

表示都是：A and B are data3 for each(A和B都是data3)

二、常用句式：

1.主语+谓语：

The amount of beef consumed decreased significantly to about xx grams in 2004.

The amount of beef consumed decreased significantly, which dropped to ….

The amount of beef consumed decreased significantly, dropping to ….

2.There be句型：

There was a considerable increase in the consumption of chicken, which soared to xx.

3.…be found in句型：

A slight decline was actually found in the amount of fish assumed, which …

A slight decline was actually found in the amount of fish assumed, and it fell to approximately xx grams.

4.主语+谓语+宾语：

描述对象作主语，谓语用experience / undergo：The consumption of chicken experienced / underwent an increase.

时间段作主语，谓语用witness / see：时间段 + witnessed / saw … in the amount of fish assumed, which…/and it …

5.描述/预测将来：

词汇：Predict, forecast(过去式和过去分词都是forecast), estimate, expect.

句型：

It is predicted that xx will ….

… is forecast to+v. ….

An estimation can be made that xx will ….

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