decrease to减少到

decrease by减少了

decrease from...to...从......减少到......

be on the decrease＝be decreasing在减少中

注意：decrease作名词时，常用作可数名词，如have a decrease。

(1)This switch has decreased pollution in the country's major lakes.(2018·全国Ⅱ)

这种转换已经减少了这个国家主要湖泊的污染。

(2)It has been reported that exports of that company have decreased by 3%.

据报道，那家公司的出口减少了3%。

(3)The production of the crops in the area decreased from 5.2 million tons to 4.5 million tons.

该地区的农作物产量从520万吨减少到450万吨。

(4)The disagreements between the two good friends are on the decrease.这两个好朋友之间的分歧日益减少。

The centre has over 300 scientists devoted to finding measures that will stop desertification.这个中心有300多名科学家致力于寻找阻止沙漠化的措施。

(measure n．措施，方法；尺度；vt.测量；估量，判定

※make sth.to one's measure按某人的尺寸做某物

take measures/steps/action (to do sth.) 采取措施(做某事)

by measure按尺寸

※measure sb.for给某人量尺寸做

be measured by/in ...用......来衡量

注意：measure表示"测量起来长或高或宽多少时"是连系动词，无被动语态。

(1)Mr Smith asked the tailor to make some new clothes to his own measure.

史密斯先生要求裁缝照他的尺寸做一些新衣服。

(2)Eat at pleasure，drink by measure.

尽情吃饭，适量饮酒。

(3)At the same time they are taking strong measures to protect wildlife resources.

同时他们正在采取强有力的措施来保护野生动植物资源。

[高级表达]