减少50%英语

简单的表达如下： 1.增加50%，increase by 50 percent 减少50%,decrease by 50 percent. 2.增加到50%，increase to 50 percent 减少到50% decrease to 50 percent.一般来讲，“增加（或减少）多少”用介词by,“增加到（或减少到）多少”用介词to.

increase by 增加了；increase to 增加到；increase by up to 顶多增加 例：1、The output increased by over 200 percent． 产量增长了两倍多。2、The population has increased from 1.2milion to 1.8 milion.人口已从120万增长到了180万。

50——fifty的读音：英 [ˈfɪfti]、美 [ˈfɪfti]

n.五十岁;五十个人;五十年代;编号为五十的东西

num.五十;五十个

adj.五十的;五十个的;许多的

1、We were fifty meters underground, and we still heard it.

我们躲在地下五十米的地方都听到了。

2、At fifty, I knew my destiny.

到五十，我能知道什么是天命了。

扩展资料

同类词：

fiftieth：

英 ['fɪftɪəθ]   美 [ˈfɪftiɪθ]

n.五十分之一;第五十

adj.五十分之一的;第五十的

1、Let this fiftieth year be the jubilee: no seed may be planted, and that which comes to growth of itself may not be cut, and the grapes may not be taken from the uncared-for vines.

第五十年要作为你们的禧年。这年不可耕种、地中自长的、不可收割。没有修理的葡萄树、也不可摘取葡萄。

2、And let this fiftieth year be kept holy, and say publicly that everyone in the land is free from debt: it is the jubilee, and every man may go back to his heritage and to his family.

第五十年，你们要当作圣年，在遍地给一切的居民宣告自由。这年必为你们的禧年，各人要归自己的产业，各归本家。

减少英语：reduce

reduce 读法  英 [rɪˈdjuːs]  美 [rɪˈduːs]

短语：

1、reduce waste 减少浪费

2、reduce by 减少了

示例：

The design of the bicycle has managed to reduce the effects of wind resistance and drag.

这种自行车的设计成功地减少了风的阻力和摩擦力。

词语用法：

1、reduce可用作及物动词,也可用作不及物动词。用作及物动词时接名词或代词作宾语。可用于被动结构。reduce偶尔也可接动词不定式作宾语补足语,意思是“使…不得不…”。

2、reduce后常接介词by表示“以某幅度减少”或“以…方法减少”; reduce常接介词to表示“减少到…”或“使陷入…状态”。

词义辨析：

decrease, reduce区别：

1、decrease 多表示逐渐缩小。如：The swelling decreased daily.(肿胀日渐消退。)

2、reduce 为常用词，使用范围较大，可指尺寸，数量，规模和程度等，也可指地位，经济状况。如：He won’t reduce the rent of the house.(他不愿降低房租。)

表数据的句式:1. had the largest percentage/proportion of2. account for/take up 20％3. Compared with A, B has a higher percentage.4. On the top of the list is…, which accounts for 50％.5. At the bottom is…, which takes up 20％.6. A is second to B.7. A is ranked/rated first, followed by B at 45％ and C at 30％.表数据变化的句式: a. 表示增加, 减少和波动的结构1. The number of…increased/ rose suddenly/ rapidly/ dramatically/ substantially/ considerably /sharply/steeply from… to…2. There was a sudden/ rapid/ dramatic/ substantial/ considerable/ sharp/ steep increase/rise in the number of…from…to…3. There was a boom in the number of from…to…1. The number of…climbed/jumped/rose suddenly/ went sharply up/ soared to…in…2. There was an evident/ apparent/obvious increase in…from…to…3. The number of…increased/rose steadily/gradually from…to…4. There was a steady/gradual increase/rise in the number of…from…to…5. There was a slight/slow increase/rise in the number of…from…to6. The number of…increased/rose slightly/slowly from…to…7. The number of…decreased/ fell/ dropped suddenly / rapidly /dramatically /substantially /sharply/steeply from…to…8. There was a sudden/ rapid/ dramatic/ substantial/ sharp/ steep decrease/ drop/ reduction/ decline in the number of…from…to…9. There was an evident/ apparent/obvious reduction/decline in…from…to…10. The number of…dropped sharply/went sharply down to…in…11. The number of…increased/rose by…％from…to…12. There was a slight fluctuation in the number of…from…to…b. 表示变化不大或没有变化的结构 1. The number of…remained steady/stable/constant between…and…2. The number of…stayed the same between…and…3. There was little/hardly any change in the number of…between…and…4. The number of…remained level between…and…5. The number of…remained steady at approximately…between…and…6. The number of…appeared to level off.c. 表示最高点或最低点的结构1. The situation/figures reached a peak/a high at…％ in…2. The situation/figures bottomed out at…％ in…3. The situation/figures peaked at…％ in…4. The situation/figures hit a trough at…％ in…5. The number soared to a record high ofd. 表示最高点或最低点的结构1. A is twice/three times/four times what it was in…2. A is twice/three times/four times the amount in…3. A is twice/three times/four times as much/many as…in…4. A is twice/three times/four times more than…in…5. From…to…, A increased/dropped more than sixfold.6. The output of steel in 1990 was 400％ up compared with in 1980.7. The figure was roughly doubled/tripled/quintupled between…and…表说明的句式:1. As we can see from the chart/graph/table/diagram2. The chart/graph/table/diagram shows/displays that3. As shown in/ According to the chart/graph/table/diagram4. The figures/statistics in the chart reflect/show/reveal that5. The chart/graph/table/diagram illustrates/describes6. It is clear/apparent from the chart/graph/table/diagram that

Fifty percent

increase to 50% (增加到50%)increase by 50% (增加了50%)reduce to 50%(减少到50%)reduce by 50% (减少了50%)

减少英语为decrease

读法：英 [dɪ'kriːs]  美 [dɪ'kris]

1、v. 减少，减小，降低

2、n. 减少，减小；减少量；减少过程

短语

1、Decrease Indent 减小缩进 ; 减少缩进

2、linear decrease 直线下降 ; 线性下降

3、sharp decrease 大幅下降 ; 大幅减少 ; 急剧下降

4、Decrease Selection 减少选择项目 ; 减小选择项目 ; 减小选择

5、exponential decrease 指数递减

6、dramatic decrease急剧下降

扩展资料

decrease近义词：shorten

读法：英 [ˈʃɔːtn]  美 [ˈʃɔːrtn]

1、vt. 缩短；减少；变短

2、vi. 缩短；变短

短语

1、Shorten Lifespan 缩短寿命

2、shorten to 压缩到

3、shorten pull 缩短划水路线

4、shorten process 缩短工艺

5、shorten draw 拉缩

6、effectively shorten 有效缩短