- [countable, uncountable]
what you do, say or think as a result of something that has happened 反应；回应 to provoke/cause/get a reaction 引起/引起/得到反应 a positive/negative/adverse reaction 积极/消极/不利的反应 - reaction to something
What was his reaction to the news? 他对这消息有何反应？ Often our actions are based upon an emotional reaction to what someone has done or said to us. 通常我们的行为是基于对某人对我们做了什么或说了什么的情绪反应。 - in reaction to something
A spokesman said the changes were not in reaction to the company's recent losses. 一位发言人说，这些变动不是针对公司最近的亏损而作出的反应。 - reaction of somebody
The initial reaction of the White House was favourable. 白宫的最初反应是积极的。 - reaction from somebody
It's just another knee-jerk reaction from sections of the media. 这只是部分媒体的下意识反应。 My immediate reaction was one of shock. 我当即的反应是大吃一惊。 There has been a mixed reaction to her appointment as director. 对她获任命为主管一事，人们的反应各不相同。 The decision provoked an angry reaction from local residents. 这个决定引起了当地居民的愤怒抗议。 I tried shaking him but there was no reaction. 我试着摇了摇他，但他一动不动。
Extra ExamplesTopics Change, cause and effectb1He eyed her cautiously, trying to gauge her reaction. 他谨慎地打量着她，估摸着她的反应。 Her outburst was a delayed reaction to an unpleasant letter she'd received that morning. 她大发雷霆，是那天早上收到一封令她不快的信件的延时反应 。 His reaction is completely understandable. 他的反应完全可以理解。 Judging by her reaction, she liked the present. 从她的反应来看，她是喜欢这件礼物的。 She was surprised at the reaction brought by the mention of his name. 提到他的名字后产生的反应使她很惊讶。 The critical reaction to his first novel has been positive. 评论界对他的第一部小说反响不错。 The incident calls for a measured response, avoiding knee-jerk reactions. 这一事件需要慎重对待，不要不动脑子就回应。 The play met with a mixed reaction from the critics. 评论家对这出戏褒贬不一。 The speech got a mixed reaction. 人们对该演讲褒贬不一。 There's been a drop in ticket sales in reaction to the review. 评论发表后，票房下降了。 the public reaction to the news 公众对这一新闻的反应
Oxford Collocations Dictionaryadjective- extreme
- strong
- violent
- …
- get
- have
- meet with
- …
- in reaction to
- reaction against
- reaction to
- …
- [countable, usually singular, uncountable] reaction against something
a change in people’s attitudes or behaviour caused by disapproval of the attitudes, etc. of the past （对旧观念等的）抗拒 The return to traditional family values is a reaction against the permissiveness of recent decades. 传统家庭价值观的回归是对近几十年来放纵自由的一种反动。 Her rebellious attitude is just a reaction against her strict upbringing. 她叛逆的态度正是对自己严格家教的一种反抗。
Oxford Collocations Dictionaryadjective- extreme
- strong
- violent
- …
- get
- have
- meet with
- …
- in reaction to
- reaction against
- reaction to
- …
- [countable, uncountable]
a response by the body, usually a bad one, to a drug, chemical substance, etc. 生理反应；副作用 If you have a bad reaction, discontinue use immediately. 如果你有不良反应，立即停止使用。 - reaction to something
to have an allergic reaction to a drug 对某药物有过敏反应 Adverse reactions to certain foods can take a few days to manifest. 对某些食物的不良反应可能需要几天才能显现出来。
Extra ExamplesTopics Social issuesb1a delayed reaction to the drugs 对药物的延迟的不良反应 She had a very bad allergic reaction to the peanuts. 她对花生严重过敏。 I believe she is experiencing a post-traumatic stress reaction. 我想她正在经受创伤后的应激反应。
Oxford Collocations Dictionaryadjective- adverse
- bad
- severe
- …
- experience
- have
- suffer
- …
- reaction to
- reactions[plural]
the ability to move quickly in response to something, especially if in danger 反应能力 a skilled driver with quick reactions 反应敏捷的熟练司机
Extra ExamplesAlcohol has the effect of slowing down your reactions. 酒精会使人反应迟钝。 Keenan showed lightning reactions. 基南显示出了闪电般的反应能力。 She has very quick reactions. 她反应很快。
Oxford Collocations Dictionaryadjective- fast
- good
- lightning
- …
- have
- speed up
- slow down
- …
- time
- [countable, uncountable] (
chemistry 化学 a chemical change produced by two or more substances acting on each other 化学反应 a chemical reaction 化学反应 a nuclear reaction 核反应 To perform the test, add five drops of the solution to the compound and then observe the reaction. 为了进行测试，向化合物中加入五滴溶液，然后观察反应。 - reaction of something with something
the reaction of oxygen with other atoms 氧与其他原子的反应 - reaction of A and B
the reaction of chlorine atoms and ozone 氯原子和臭氧的反应
Extra ExamplesTopics Physics and chemistryb1the energy given out during the reaction 化学反应中释放的能量 the fuel's chemical reaction with the surrounding water 燃料和周围的水之间的化学反应 I am studying the reactions between certain gases. 我正在研究某些气体之间的化学反应。
Oxford Collocations Dictionaryadjective- chain
- chemical
- nuclear
- …
- cause
- initiate
- produce
- …
- occur
- take place
- during a/the reaction
- in a/the reaction
- reaction between
- …
- [uncountable, countable] (
physics 物理 a force shown by something in response to another force, which is of equal strength and acts in the opposite direction 反（作用）力 Action and reaction are equal and opposite. 作用和反作用是平等的，相反的。
- [uncountable]
opposition to social or political progress or change 反对；反动；阻碍
to event/situation对于事件／局势
change in attitudes态度的改变
to drugs药物
to danger对于危险
science科学
against progress反对发展
Word Originmid 17th cent.: from react + -ion, originally suggested by medieval Latin reactio(n-), from react- ‘done again’, from the verb reagere.