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reduction

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re duct ion
回,翻

irreversible = ir(不) + re(回,翻) + vers(转) + ible(能…的) = 不能回转的→不可逆的

raport = re(回,翻) + port(拿,运) = 反复的拿,反复的运→友好关系

+ 引导

byproduct = by(副的) + pro(向前) + duct(引导) = 顺带向前引导→副产品

abduct = ab(离开) + duct(引导) = 引导离开→绑架

+ 表名词

abrasion = ab(表加强) + ras(刮擦) + ion(表名词) = 磨损

abstraction = abs(离去) + tract(拉) + ion(表名词) = 被拉开→抽象

往回引导→减少

[rɪˈdʌkʃən]
考点解读
  • 托福
  • 雅思
  • Official词频:13 核心词

    reduction

    常考释义

    • n.减少;下降
    变形词
    • 复数 reductions
    托福常考例句

    In an experiment that began in 1982, they compared these values with the number of plant species in each plot and discovered that the plots with a greater number of plant species experienced a less dramatic reduction in biomass.

    在一个1982年开始的实验中,他们比较了这些比值与每个取样点的植物物种数,发现取样点的植物物种越多,其生物数量在干旱中急剧下降得就越少。

    来源于:阅读OFFICIAL46 P3
单词详解
  • 英汉双解
  • 同反义词
    • n. 减少;下降

      展开
      简明例句

      The major reason for the reduction of family size is a reduction in the number of births.

      家庭规模缩小的主要原因是生育子女数量的减少。

      展开更多
      情景例句

      There's been a significant reduction in the tumors.

      肿瘤组织已经减小了很多。

      来自《绝命毒师 第2季第10集》

      图片源自网络

      展开更多
      托福考试例句

      In an experiment that began in 1982, they compared these values with the number of plant species in each plot and discovered that the plots with a greater number of plant species experienced a less dramatic reduction in biomass.

      在一个1982年开始的实验中,他们比较了这些比值与每个取样点的植物物种数,发现取样点的植物物种越多,其生物数量在干旱中急剧下降得就越少。

      来源于:阅读OFFICIAL46 P3

      The problem is that competition ordinarily cannot be observed directly but must be inferred from the spread or increase of one species and the concurrent reduction or disappearance of another species.

      问题是竞争通常无法直接观察得到而必须通过某一物种的扩张或增加而另外一种物种同时减少或消失的对比中推测出来。

      来源于:阅读OFFICIAL29 P2

      First, there may be a brief cessation or reduction of breathing when falling asleep as the sleeper waxes and wanes between sleep and wakefulness and their differing control mechanisms.

      第一,睡着时呼吸可能会有短暂的停止或减少,因为睡眠者在睡眠和清醒之间徘徊,而这两种状态的控制系统不一样。

      来源于:阅读OFFICIAL24 P2

      Only after several inadequate breaths under such conditions, resulting in the considerable elevation of carbon dioxide and reduction of oxygen in the blood, is breathing effort adjusted.

      在这种情况下,只有几次不充分的呼吸后使得血液中二氧化碳的含量显著提升以及氧气的含量降低,呼吸才会被调整过来。

      来源于:阅读OFFICIAL24 P2

      In Europe as a whole, the exceptional reduction in the population and the related fall in demand for grain since the beginning of the seventeenth century had caused the price of agricultural products to fall.

      欧洲总体来讲,异常的人口减少和相应的对粮食需求的下降从十七世纪早期就开始了,导致农产品价格的下跌。

      来源于:阅读OFFICIAL23 P2

      These roads made possible a reduction in transportation costs and thus stimulated the commercialization of agriculture along their routes.

      这些公路使得运输成本有降低的可能,并且因此刺激了沿途农业的商品化。

      来源于:阅读OFFICIAL20 P1

      Reduction in numbers of game should have boded ill for their survival in later times.

      鹿群数量的减少预示了它们今后生存的艰辛。

      来源于:阅读OFFICIAL4 P1

      Even in the areas that retain a soil cover, the reduction of vegetation typically results in the loss of the soil's ability to absorb substantial quantities of water.

      即便是土壤表层保持完好的区域,植被的减少会导致土壤吸收地下水的能力下降。

      来源于:阅读OFFICIAL2 P1

      The consequences of an excessive number of livestock grazing in an area are the reduction of the vegetation cover and the trampling and pulverization of the soil.

      在一个地区过量饲养家畜会导致植被覆盖面积减少,土地被大量践踏和碾碎。

      来源于:阅读OFFICIAL2 P1
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  • 同义词

    n.(价值、地位、重要性等的)下降,降低; 减少,减小; 削减;缩减;减少;

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