react

英 [riˈækt]

美 [riˈækt]

v.  起反应; (对…)作出反应; 回应; (对食物等)有不良反应，过敏; 起化学反应; 发生化学变化

过去式：reacted　现在分词：reacting　过去分词：reacted　第三人称单数：reacts　

高考CET4CET6考研TOEFLTEM4TEM8医学

Oxford 3000 / Collins.3 / BNC.2923 / COCA.2666

短语用例

react against sb/sth

• 反对；反抗
  to show dislike or opposition in response to sth, especially by deliberately doing the opposite of what sb wants you to do
  1. Local residents have reacted angrily to the news.
     当地居民对这一消息表示愤怒。
  2. I nudged her but she didn't react.
     我用胳膊肘捅了她一下，可她没有反应。
  3. You never know how he is going to react.
     你根本不知道他会作何反应。
  4. The market reacted by falling a further two points.
     股市的反应是再下跌两个百分点。

牛津词典

verb

• 起反应；（对…）作出反应；回应
  to change or behave in a particular way as a result of or in response to sth
  1. Local residents have reacted angrily to the news.
     当地居民对这一消息表示愤怒。
  2. I nudged her but she didn't react.
     我用胳膊肘捅了她一下，可她没有反应。
  3. You never know how he is going to react.
     你根本不知道他会作何反应。
  4. The market reacted by falling a further two points.
     股市的反应是再下跌两个百分点。
• （对食物等）有不良反应，过敏
  to become ill/sick after eating, breathing, etc. a particular substance
  1. People can react badly to certain food additives.
     人们对某些食品添加剂会严重过敏。
• 起化学反应；发生化学变化
  to experience a chemical change when coming into contact with another substance
  1. Iron reacts with water and air to produce rust.
     铁和水及空气发生反应产生铁锈。

柯林斯词典

• VERB （作出）反应；回应
  When youreact tosomething that has happened to you, you behave in a particular way because of it.
  1. They reacted violently to the news...
     他们对这条新闻反应强烈。
  2. It's natural to react with disbelief if your child is accused of bullying...
     如果你的孩子被指责欺负了别的孩子，你不相信是很正常的。
  3. 'How did he react?' — 'Very calmly.'
     “他有什么反应？”——“非常平静。”
• VERB 反抗;不服;反对
  If youreact againstsomeone's way of behaving, you deliberately behave in a different way because you do not like the way they behave.
  1. She reacted against the mindlessness and luxury of their lives...
     她对他们生活的盲目和奢侈很反对。
  2. My father never saved and perhaps I reacted against that.
     我父亲从来不存钱，我可能正好相反。
• VERB 产生不良反应;过敏
  If youreact toa substance such as a drug, ortosomething you have touched, you are affected unpleasantly or made ill by it.
  1. Someone allergic to milk is likely to react to cheese...
     对牛奶过敏的人可能对奶酪也有不良反应。
  2. He reacted very badly to the radiation therapy.
     他接受放射治疗，副作用很大。
• V-RECIP 起（化学）变化;发生（化学）反应
  When one chemical substancereacts withanother, or when two chemical substancesreact, they combine chemically to form another substance.
  1. Calcium reacts with water...
     钙和水会发生化学反应
  2. Under normal circumstances, these two gases react readily to produce carbon dioxide and water.
     在正常情况下，这两种气体容易发生反应产生二氧化碳和水。

英英释义

verb

• undergo a chemical reaction
  1. The hydrogen and the oxygen react
• show a response or a reaction to something
  Synonym:respond
• act against or in opposition to
  1. She reacts negatively to everything I say
  Synonym:oppose

双语例句

• I mean what I say and shall never react from [ go back on] my words.
  我讲话是算数的，决不反复。
• There'd be no telling how John would react to such news as this.
  还不知道约翰听到这样的消息会作何反应。
• I don't react anymore when opponents try to niggle me
  对手找茬惹我时，我不会再理他们。
• I did not react, but I think I am good.
  我也没有反应，可我认为我很好。
• But the country has been slow to react to the 'greening' of the rest of Europe.
  但是，该国却迟迟没有像欧洲其他国家一样提高环保意识。
• Under normal circumstances, these two gases react readily to produce carbon dioxide and water.
  在正常情况下，这两种气体容易发生反应产生二氧化碳和水。
• They will react with ammonia to form amidines.
  它们与氨反应形成脒。
• How did he react to your suggestion?
  他对你的建议反应怎么样？
• Pinch me and I will react.
  你要掐我我就有反应。
• The zirconium can react with water to produce zirconium oxide and hydrogen.
  锆可以和水反应，产生氧化锆和氢气。