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react

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react

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Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++re·act /riˈækt/ ●●● S3 W3 AWL verb [intransitive]  1 behaviour/feelings 行为/情感REACT to behave in a particular way or show a particular emotion because of something that has happened or been said (作出)反应 respondreact to How did Wilson react to your idea? 威尔逊对你的想法有什么反应? He reacted angrily to the suggestion that he had lied. 说他撒谎,他非常生气。 She reacted very badly (=was very upset) when her parents split up. 父母离婚的时候,她非常难过。 You have to react quickly to circumstances. 你必须对形势迅速作出反应。react by doing something The government reacted by declaring all strikes illegal. 政府作出反应,宣布所有罢工行动都是非法的。 overreact2 chemicals 化学品 technicalHC if a chemical substance reacts, it changes when it is mixed with another chemical substance 起化学反应react with The calcium reacts with sulphur in the atmosphere. 钙和硫在空气中会发生化学反应。3 prices 价格 if prices or financial markets react to something that happens, they increase or decrease in value because of it 〔价格、金融市场〕作出反应react to Oil prices reacted sharply (=reacted a lot) to news of the crisis in the Middle East. 石油价格对中东危机的消息反应强烈。 The market reacted favourably to the announcement. 市场对这则公告反响良好。4 become ill 生病MI to become ill when a chemical or drug goes into your body, or when you eat a particular kind of food 〔因使用某种化学品、药物或食用某种食物〕产生不良反应respondreact to Quite a lot of children react badly to antibiotics. 很多儿童对抗生素有不良反应。5react against something phrasal verb REACTto show that you dislike someone else’s ideas or ways of doing something, by deliberately doing the opposite 反对;反抗 He reacted strongly against his religious upbringing. 他强烈反对从小所受的宗教教育。nCOLLOCATIONSadverbsreact badly (=become annoyed, upset etc)Do you react badly to criticism?react angrily/violentlyThe prime minister reacted angrily to these accusations.react stronglyScott reacted strongly when he felt he was being treated unjustly.react quickly/swiftlyThe goalkeeper had to react quickly.react differentlyPeople react differently to stress.react positively/negatively (=with positive/negative emotions or opinions)We want versatile people who react positively to change.react cautiously (=carefully, so that you avoid danger or risk)The United States has reacted cautiously to the offer.react instinctively (=without thinking or needing to think)She reacted instinctively and reached for her gun.→ See Verb table
Examples from the Corpus
reactHow will your best friend react?Emma is not behaving very reasonably nowadays. I think she's reacting against her teachers' strictness.Ned reacted angrily to Bill's comments.The chairman reacted angrily to the report and said it would make it much harder to reach a deal.Foam began to spread through the air as the fire-fighting systems reacted automatically to the emergency.It's hard not to react badly when your kids are playing up.A shot was fired, and the police reacted by firing into the crowd.Nobody reacts much when older men become fathers.Suddenly, before the competition could react, Snapple was in stores all across the country.Cool foresight and a quick mind enabled him to react swiftly in an emergency.The authorities reacted swiftly with a smear counterattack.People reacted to the speech in different ways.Only two persons in the audience reacted to this sentence, but to them it was like being doused with ice-cold water.Investors reacted unfavorably to the announcement and pushed shares down as much as 3. 9 percent.How did Dad react when he found out Vicky was pregnant?How did she react when you told her the news?How did your parents react when you told them you were going to marry Jim?When children perform poorly at school, parents often react with anger.Many gays reacted with outrage at the tactic of "outing" senior public figures.react toThe patient reacted badly to penicillin.Residents reacted angrily to the city council's decision.reacted sharplyCritics of the reforms reacted sharply last night.react badlyChances were she would react badly.Some mares react badly and their reproductive cycles cease or are disrupted.Do you react badly to criticism at work?Bird lovers reacted badly to earlier attempts to control the birds by poisoning them and removing nests.They don't like it too hot in summer and they react badly to over-watering.Others began to react badly to various chemicals at about the time they developed candidiasis.But it reacted badly when he started on examples of government action to extend opportunity.
From Longman Business Dictionaryreactre‧act /riˈækt/ verb [intransitive] FINANCEto start rising or falling in price, level etc because of something that has happened or that has been saidreact toThe stock market reacted favorably to the announcement.Oil prices reacted only mildly to news of the cut in Saudi production.→ See Verb table
re·act verbn COLLOCATIONS1LDOCE OnlineChineseSyllable
way a behave show Corpus Business or in to particular


react
react S3 W3 AC /riˈækt/ verb [intransitive]
 Word Family: noun: reaction, reactor, reactionary, overreaction; verb: react, overreact; adjective: reactionary, reactive
1.  BEHAVIOUR/FEELINGS to behave in a particular way or show a particular emotion because of something that has happened or been said ⇨ respond
    react to
    How did Wilson react to your idea?
    He reacted angrily to the suggestion that he had lied.
    She reacted very badly (=was very upset) when her parents split up.
    You have to react quickly to circumstances.
    react by doing something
    The government reacted by declaring all strikes illegal.overreact
2.  CHEMICALS technical if a chemical substance reacts, it changes when it is mixed with another chemical substance
    react with
    The calcium reacts with sulphur in the atmosphere.
3.  PRICES if prices or financial markets react to something that happens, they increase or decrease in value because of it
    react to
    Oil prices reacted sharply (=reacted a lot) to news of the crisis in the Middle East.
    The market reacted favourably to the announcement.
4.  BECOME ILL to become ill when a chemical or drug goes into your body, or when you eat a particular kind of food ⇨ respond
    react to
    Quite a lot of children react badly to antibiotics.
     
COLLOCATIONS
■ adverbs
    react badly (=become annoyed, upset etc) Do you react badly to criticism?
    react angrily/violently The Prime Minister reacted angrily to these accusations.
    react strongly Scott reacted strongly when he felt he was being treated unjustly.
    react quickly/swiftly The goalkeeper had to react quickly.
    react differently People react differently to stress.
    react positively/negatively (=with positive/negative emotions or opinions) We want versatile people who react positively to change.
    react cautiously (=carefully, so that you avoid danger or risk) The United States has reacted cautiously to the offer.
    react instinctively (=without thinking or needing to think) She reacted instinctively and reached for her gun.
     
react against something phrasal verb
  to show that you dislike someone else’s ideas or ways of doing something, by deliberately doing the opposite:
    He reacted strongly against his religious upbringing.


🔑 react AW BrE /riˈækt/ 🔊NAmE /riˈækt/ 🔊 verbpresent simple - I / you / we / they react BrE /riˈækt/ 🔊 NAmE /riˈækt/ 🔊present simple - he / she / it reacts BrE /riˈækts/ 🔊 NAmE /riˈækts/ 🔊past simple reacted BrE /riˈæktɪd/ 🔊 NAmE /riˈæktɪd/ 🔊past participle reacted BrE /riˈæktɪd/ 🔊 NAmE /riˈæktɪd/ 🔊 -ing form reacting BrE /riˈæktɪŋ/ 🔊 NAmE /riˈæktɪŋ/ 🔊🔑 [intransitive] ~ (to sth) (by doing sth) to change or behave in a particular way as a result of or in response to sth 起反应;(对…)作出反应;回应Local residents have reacted angrily to the news. 当地居民对这一消息表示愤怒。🔊🔊I nudged her but she didn't react. 我用胳膊肘捅了她一下,可她没有反应。🔊🔊You never know how he is going to react. 你根本不知道他会作何反应。🔊🔊The market reacted by falling a further two points. 股市的反应是再下跌两个百分点。🔊🔊🔑 [intransitive] (+ adv./prep.) to become ill/sick after eating, breathing, etc. a particular substance (对食物等)有不良反应,过敏People can react badly to certain food additives. 人们对某些食品添加剂可能会严重过敏。🔊🔊 [intransitive] ~ (with sth) | ~ (together) (chemistry 化学) (of substances 物质) to experience a chemical change when coming into contact with another substance 起化学反应;发生化学变化Iron reacts with water and air to produce rust. 铁和水及空气发生反应产生铁锈。🔊🔊

acid, catalyst, chemistry, compound, formula, molecule, pH, react, solution, valency

reˌact aˈgainst sb/sthto show dislike or opposition in response to sth, especially by deliberately doing the opposite of what sb wants you to do 反对;反抗He reacted strongly against the artistic conventions of his time. 他强烈反对当时的艺术俗套。🔊🔊