小站备考
托福
托福词汇

decrease

  • 单词助记
  • 考点解读
  • 单词详解

扫码背更多单词

4周搞定2000+托福核心词

单词助记
加入生词本
鼠标悬停查看成分解释
de crease
向下

biodegradable = bio(生物) + de(向下) + grad(级别) + able(能…的) = 生物上可以向下降级的→可生物降解的

decline = de(向下) + clin(倾斜) + e(名词后缀) = 向下倾斜→减少;下降

+ 增加

increaseingly = in(进入) + crease(增加) + ing(形容词) + ly(表副词) = 越来越多地

向下增加→减少

[diˈkris]
考点解读
  • 托福
  • 雅思
  • Official词频:41 核心词 高频词

    decrease

    常考释义

    • v.减少
    变形词
    • 过去式 decreased
    • 过去分词 decreased
    • 第三人称单数 decreases
    • 复数 decreases
    • 现在分词 decreasing
    托福常考例句

    If a steep mountain stream flows onto a flat plain, its gradient and velocity decrease sharply.

    如果一条陡峭的山溪流到平坦的平原上,它的坡度和速度就会急剧下降。

    来源于:阅读OFFICIAL52 P1
单词详解
  • 英汉双解
  • 词组搭配
  • 同反义词
    • v. 减少

      展开
      简明例句

      What crime do you think will decrease in the future?

      你认为在将来什么样的犯罪会减少?

      展开更多
      情景例句

      But the urgency of our trip has not decreased.

      我们还是非常着急赶去目的地的。

      来自《巫山历险记》

      图片源自网络

      展开更多
      托福考试例句

      If a steep mountain stream flows onto a flat plain, its gradient and velocity decrease sharply.

      如果一条陡峭的山溪流到平坦的平原上,它的坡度和速度就会急剧下降。

      来源于:阅读OFFICIAL52 P1

      Low prey population levels then provide inadequate food for the predators, causing the predator population to decrease.

      被捕食者的数量的降低造成了捕食者的食物不足,使捕食者的数量下降。

      来源于:阅读OFFICIAL27 P3

      Once they get there, their body temperatures decrease very very quickly.

      一旦他们回到地洞,他们身体温度就会急速下降。

      来源于:听力OFFICIAL14 L3

      Yeah, and I read a study that showed how light can give milk a funny flavor and decrease its nutritional value.

      是的,我读过一篇文章,说光线能够让牛奶发出异味,降低营养价值。

      来源于:听力OFFICIAL9 L1

      Immediately adjacent to the timberline, the tundra consists of a fairly complete cover of low-lying shrubs, herbs, and grasses, while higher up the number and diversity of species decrease until there is much bare ground with occasional mosses and lichens and some prostrate cushion plants.

      由于紧挨着树带界线,苔原上都是矮灌木、草本植物和牧草。随着海拔的增加,物种的数量和多样性会逐渐减少,直到出现大量空地伴着零星的苔藓和地衣这样的伏地垫状植物。

      来源于:阅读OFFICIAL1 P3

      These change, often in cycles, increasing and decreasing slowly over time.

      这一些变化,经常是循环往复地发生,随着时间发展而增强或者减弱。

      来源于:听力OFFICIAL39 L2

      However, in other years the Southern Oscillation, for unknown reasons, swings in the opposite direction, dramatically changing the usual conditions described above, with pressure increasing in the western Pacific and decreasing in the eastern Pacific.

      然而,在其他年份,南方涛动不知道是因为什么原因,朝相反的方向波动,使得西太平洋气压增加,东太平洋气压减小,极大地改变了前面所说的通常情况。

      来源于:阅读OFFICIAL43 P3

      Cave art seems to have reached a peak toward the end of the Upper Paleolithic period, when the herds of game were decreasing.

      在后期旧石器时代猎群数量减少时,岩洞画艺术似乎达到了顶峰。

      来源于:阅读OFFICIAL4 P2

      When the water warms up, the concentration of dissolved oxygen in the water decreases.

      当水温上升时,水里溶解的氧气量会下降。

      来源于:听力OFFICIAL52 L3

      When the current slows down, its competence (how much it can carry) decreases and the stream deposits the largest particles in the streambed.

      当水流放缓的时候,其携带能力(能够携带的颗粒量)会减弱,最大的颗粒会沉淀在河床上。

      来源于:阅读OFFICIAL52 P1

      A stream deposits its sediment in three environments: Alluvial fans and deltas form where stream gradient (angle of incline) suddenly decreases as a stream enters a flat plain, a lake, or the sea; floodplain deposits accumulate on a floodplain adjacent to the stream channel; and channel deposits form in the stream channel itself.

      一条河流会在三种环境下发生沉淀:在河流进入平原、湖泊或大海的时候,河流坡度(倾斜的角度)会突然下降,在那些地方会形成冲积扇和三角洲;河漫滩沉积物会堆积在河道附近的漫滩上;河流内部也会形成河道沉积物。

      来源于:阅读OFFICIAL52 P1

      The gases are captured and can be burned to produce electricity, which saves a lot of money and ultimately decreases our need for fuels like petroleum and coal, which are not only expensive but are also polluting.

      这些气体会被捕获并用来生产电力,这个可以节约很多钱并且最终较少我们对于燃料的需求,如石油和煤炭,这些燃料不仅贵而且很有污染性。

      来源于:听力OFFICIAL34 L3

      As hare density increases, the quantity of these twigs decreases, forcing the hares to feed on low-quality high-fiber food.

      野兔的密度增加时,这些树枝的数量就减少,迫使野兔去吃一些低质量的,高纤维食物。

      来源于:阅读OFFICIAL27 P3

      It’s possible that’s because the population had decreased by that point so they actually needed less room.

      这很有可能是因为到那时人口减少,因此他们不需要这么多的空间了。

      来源于:听力OFFICIAL52 L6

      However, when the metal is encased in fire-retardant materials, its vulnerability to fire is much decreased.

      然而,当钢铁结构用防火材料包裹起来后,它对于火灾来说就不那么脆弱了。

      来源于:阅读OFFICIAL37 P3

      For a few decades the amount of land burnt annually decreased by 80 percent.

      数十年间,每年发生火灾的土地数量降低了80%。

      来源于:阅读OFFICIAL39 P3

      But the parental imprinting hypothesis doesn't explain why left profiles have decreased over time.

      但是父母印记假设没有解释为什么左侧轮廓随时间减少。

      来源于:听力OFFICIAL46 L3

      In the period 1970 to 1986, rainfall in the area decreased from 1,000 millimeters to 650 millimeters per annum, while above-average temperatures speeded up the evapotranspiration rate (the rate at which water is lost to the atmosphere through evaporation and the processes of plant life).

      在1970年到1986年间,这个地区的降雨量由每年1000毫米降到了650毫米,而同时平均温度的上升加快了蒸散率(这个速率指的是水蒸发到大气的速率以及植物生命的过程)。

      来源于:阅读OFFICIAL24 P1

      However, land reclamation decreased significantly after the middle of the seventeenth century because the price of agricultural products began to fall, making land reclamation far less profitable in the second part of the century.

      然而,土地开垦在十七世纪中叶大幅减少,因为农产品的价格开始回落,使得土地开垦的利润在十七世纪下半叶不是那么丰厚了。

      来源于:阅读OFFICIAL23 P2

      In the end, there was no planet, but there was evidence that the number of sunspots increased and decreased in a pattern, a pattern that began repeating after 10 years, and that was a huge breakthrough.

      最后,他没有观测到行星,但他发现,太阳黑子消长是非常有规律的,以10年为一个重复周期,这项发现无疑是一个非常重大的突破。

      来源于:听力OFFICIAL18 L2

      Their calculations show that the impact kicked up a dust cloud that cut off sunlight for several months, inhibiting photosynthesis in plants; decreased surface temperatures on continents to below freezing; caused extreme episodes of acid rain; and significantly raised long-term global temperatures through the greenhouse effect.

      他们的计算表明撞击扬起的灰尘遮挡了阳光达几个月之久,阻止了植物的光合作用,将陆地上的气温降到了零点之下,导致酸雨,通过温室效应造成了长期的、严重的全球升温。

      来源于:阅读OFFICIAL8 P2
      展开更多
    • n. 减少

      展开
      简明例句

      Is your production on the decrease?

      你们的产量在减少吗?

      展开更多
      托福考试例句

      It is quite possible that these fluctuations, the huge increase and decrease of sulfur dioxide, happening again and again.

      这些波动,也就是二氧化硫的骤增和骤减,有可能会一次又一次地发生。

      来源于:听力OFFICIAL24 L6

      During NREM (the phase of sleep in which there is no rapid eye movement) breathing becomes deeper and more regular, but there is also a decrease in the breathing rate, resulting in less air being exchanged overall.

      在NMER(睡觉时没有快速眼部活动的阶段)这个阶段中,呼吸会变得更深更有规律,但是呼吸频率会降低,导致总体空气交换减少。

      来源于:阅读OFFICIAL24 P2

      Second, once sleep is fully obtained, there is an increase of carbon dioxide and a decrease of oxygen in the blood that persists during NREM.

      第二,一旦得到了充足的睡眠,血液中二氧化碳含量升高而氧气含量降低,在NREM阶段也会持续这样。

      来源于:阅读OFFICIAL24 P2

      However, what is astonishing about this is not that Dutch agriculture was affected by critical phenomena such as a decrease in sales and production, but the fact that the crisis appeared only relatively late in Dutch agriculture.

      不过,令人惊讶的不是荷兰农业受到这些危机现象的影响而导致产量和销售量的降低,而是这些危机在荷兰农业中发生得相当晚。

      来源于:阅读OFFICIAL23 P2
      展开更多
    • 固定搭配
      • on the decrease

        在减少中

  • 同义词

    n.减少;下降; 削减;缩减;减少;

    反义词

    v. 增加,增长; 增加,增大;繁殖;

以上图片仅供学习交流使用,版权归原作者所有,如有侵权,请与我方联系

小站教育托福/雅思备考官方指南

托福/雅思备考完全攻略,小站备考平台为广大托福雅思备考考生提供完整托福Official/雅思ielts在线模拟考试测评,包括:托福/雅思精听精读在线专项练习,托福/雅思三个月备考计划,90天备考策略,托福/雅思在线公开课视频学习以及托福/雅思名师考点答题技巧解析,助您快速提高托福/雅思成绩。 更多 >

© 2011-2019 ZHAN.com All Rights Reserved. 沪ICP备13042692号-23

沪公网安备31010602002658号