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reaction

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re act ion

reliance = re(再) + li(捆绑,联合) + ance(表名词) = 自恃

irrevocable = ir(不) + re(再) + voc(叫喊) + able(能…的) = 不可以再叫喊的→不可取消的

+ 行为

acting = act(行为) + ing(形容词) = 表演的

activity = act(行为) + ivity(特性) = 活动

+ 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

再做出行为→反应

[riˈækʃən]
考点解读
  • 托福
  • 雅思
  • Official词频:55 核心词 高频词

    reaction

    常考释义

    • n.反应
    变形词
    • 复数 reactions
    托福常考例句

    Oxygen gets chemically combined with sugars in our cells and the energy produced from that reaction is then used to power the cells.

    在我们细胞中,氧通过化学反应与糖结合,化学反应产生能量来供给细胞。

    来源于:听力OFFICIAL40 L3
单词详解
  • 英汉双解
  • 同反义词
    • n. 反应;回应

      展开
      简明例句

      The sport requires very fast reactions.

      这项运动要求反应速度极快。

      展开更多
      情景例句

      Still, my reactions will be quicker now I've rested.

      话说,休息过后我感到反应更灵敏了。

      来自《狂野目标》

      图片源自网络

      Turns out, it was just an adverse reaction to the drugs.

      结果被证实,那只是药后的不良反应。

      来自《犯罪现场调查 第14季第7集》

      图片源自网络

      Turns out, it was just an adverse reaction to the drugs.

      结果被证实,那只是药后的不良反应。

      来自《犯罪现场调查 第14季第7集》

      图片源自网络

      展开更多
      托福考试例句

      Lavie observed that people’s reaction time slowed as these distractions increased.

      Lavie observed that people’s reaction time slowed as these distractions increased.

      来源于:听力OFFICIAL15 L2

      Most customers have the exact opposite reaction when it comes to MBWA.

      大多数客户在MBWA的过程中反应恰恰相反。

      来源于:听力OFFICIAL12 L3

      The reaction of farmers to the inevitable depletion of the Ogallala varies.

      农场主们对无法避免的奥加拉拉蓄水层枯竭的反应各不相同。

      来源于:阅读OFFICIAL3 P2
      展开更多
    • n. 化学反应【化】

      展开
      简明例句

      Catalysts are materials which greatly speed up chemical reactions.

      催化剂是可以大幅加速化学反应的物质。

      展开更多
      托福考试例句

      Fusion is the same nuclear reaction that fuels stars, which as you know, produces unfathomable amounts of energy.

      核聚变也是恒星产能的方式之一,像你所知道的,可以产生超级大量的能源。

      来源于:听力OFFICIAL36 L2

      Oxygen gets chemically combined with sugars in our cells and the energy produced from that reaction is then used to power the cells.

      在我们细胞中,氧通过化学反应与糖结合,化学反应产生能量来供给细胞。

      来源于:听力OFFICIAL40 L5

      Some biologists hypothesize that a plant will stop growing if it’s in the shade of another plant, a reaction that’s triggered when it senses an unusual ratio of red light to far-red light.

      Some biologists hypothesize that a plant will stop growing if it’s in the shade of another plant, a reaction that’s triggered when it senses an unusual ratio of red light to far-red light.

      来源于:听力OFFICIAL28 L5

      A ratio of less red and to more far-red light would cause a reaction from the plant.

      更少红光和更多红外光线的比例会引起植物的反应。

      来源于:听力OFFICIAL28 L5

      Well, we know that the reaction that takes place is not chemical in nature.

      嗯,我们肯定都知道,章鱼变色本质上肯定不是依靠化学反应。

      来源于:听力OFFICIAL17 L6

      And this chemical reaction is what produces organic material, which is the food for larger organisms.

      这种化学反应就产出了有机物质,也就是更大的有机体的食物。

      来源于:听力OFFICIAL15 L6

      Remember? That chemical reaction I described earlier.

      Remember? That chemical reaction I described earlier.

      来源于:听力OFFICIAL15 L6
      展开更多
    • n. 反对;反动;抵制【政】

      展开
      简明例句

      The president praised their victory against the forces of reaction and censorship.

      总统对他们取得的反抗保守势力和审查制度的胜利表示赞扬。

      展开更多
      托福考试例句

      You know, a reaction against a lot of props, light, fancy costumes, and all that.

      你知道,这就是一个反对使用太多道具、灯光、华丽服装的运动。

      来源于:听力OFFICIAL39 L1
      展开更多
    • n. 过敏反应;不良反应【医】

      展开
      简明例句

      He has an allergic reaction to penicillin.

      他对青霉素有过敏反应。

      展开更多
    • n. 反作用力【物】

  • 同义词

    n.(尤指对政治或社会事件的)强烈反对,激烈反应; 反对,反抗;

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