英 [riˈækʃn] 美 [riˈækʃ(ə)n]
n. 反应，回应；反应能力（reactions）；（药物或食物引起的）不良反应；化学反应；反作用力；（对旧观念等的）抗拒；反动，守旧
复数reactions
reaction /rɪˈækʃən/ CET4 TEM4
有变体名词 Your reaction to something that has happened or something that you have experienced is what you feel, say, or do because of it. 反应
Reaction to the visit is mixed.
对这次访问的反应不一。
可数名词 A reaction against something is a way of behaving or doing something that is deliberately different from what has been done before. 反抗
All new fashion starts out as a reaction against existing convention.
所有新时尚都是从反抗现存习俗开始的。
单数型名词 If there is a reaction against something, it becomes unpopular. 抵触
Premature moves in this respect might well provoke a reaction against the reform.
在这方面过早的行动可能会激起对改革的抵触。
复数型名词 Your reactions are your ability to move quickly in response to something, for example when you are in danger. 反应能力; 应变能力
The sport requires very fast reactions.
这项运动要求很快的反应能力。
不可数名词 Reaction is the belief that the political or social system of your country should not change. 保守思想
Thus, he aided reaction and thwarted progress.
所以他支持保守思想，反对进步。
可数名词 A chemical reaction is a process in which two substances combine together chemically to form another substance. (化学) 反应
Ozone is produced by the reaction between oxygen and ultraviolet light.
臭氧是氧气与紫外线发生化学反应而产生的。
可数名词 If you have a reaction to a substance such as a drug, or to something you have touched, you are affected unpleasantly or made ill by it. (对药物或所碰触的东西等的) 不良反应
Every year, 5,000 people have life-threatening reactions to anaesthetics.
每年，有5000人会对麻醉剂产生致命的不良反应。
a response that reveals a person's feelings or attitude
he was pleased by the audience's reaction to his performance ; John feared his mother's reaction when she saw the broken lamp
a bodily process occurring due to the effect of some foregoing stimulus or agent
a bad reaction to the medicine
同义词： response
(chemistry) a process in which one or more substances are changed into others
there was a chemical reaction of the lime with the ground water
同义词： chemical reaction
an idea evoked by some experience
his reaction to the news was to start planning what to do
doing something in opposition to another way of doing it that you don't like
his style of painting was a reaction against cubism
extreme conservatism in political or social matters
the forces of reaction carried the election
(mechanics) the equal and opposite force that is produced when any force is applied to a body
every action has an equal and opposite reaction
反应-引用次数：14725
The order of the reaction and apparent activation energy was determined.
测定了反应级数和表面活化能。
参考来源钴(Ⅱ)
作用
反应-引用次数：2979
In this study,in-situ reaction technologies were used.
在本论文研究中,使用了原位反应复合技术。
反力
反作用
反动力
反作用力
反馈-引用次数：9
参考来源作业成本目标控制的方法及应用研究
股票行市等的
反馈-引用次数：7
互作用
反映-引用次数：10
The psychological reaction is a kind of typical psychological emergency reaction.
个体面对灾害心理反映是一种典型的心理应激反映。
反作用-引用次数：13
Chapter six discusses the drama's reaction to the policy.
馀论:戏剧对明代政府政策及舆论的反作用。
反动-引用次数：8
相反，则成了反动、堕落的符码与指称。
参考来源衍衍不息的西绪福斯神话
反（作用力）推进
反响-引用次数：10
At the same time, many outstanding literary works also cause a strong reaction, which provide for the development of cinema.
同时,许多优秀的文学作品也引起了强烈的反响,这就为电影的发展提供了契机。
参考来源新时期文学思潮对电影的影响
反映-引用次数：8
The psychological reaction is a kind of typical psychological emergency reaction.
个体面对灾害心理反映是一种典型的心理应激反映。
互动-引用次数：2
参考来源清中叶浙江海盗问题研究
反攻
反应
作用
反应反应（Reaction）：指品牌方需要高度重视对于市场的把控与反应速度，多数品牌方更偏向于单方面对代理方的指导，往往忽略了倾听他们的诉求与想法，...
龙舟推进力的理论是桨划水时产生的阻力(Drag force)，此阻力的反作用力 (reaction force)就是龙舟前进的推进力。所以推进力的大小全视桨划水时产生阻 力的大小而定。
大胜之后自然会有些高傲的神态，优胜之后(After)内心也自然(Natural)有种知耻而勇的效率，用意与反作用(Reaction)也能催生出极少所谓的假球来。换句话来讲也就如你说的假球也要建立的能力的底子上。
...么撒悦目（good-looking），看几个主持人抬杠到蛮有尽饿，我觉得吴嘴巴太毒，老赵声音好呀，年事（age ）大了么反响（reaction）（reflect）是慢了点，不过..
reactor [化工] 反应器；[核] 反应堆；起反应的人
reactionary 反动分子；反动派
reactivity 反应；反动
reactant [化学] 反应物；反应剂
reactance [电] 电抗；感应抵抗
reactivation [物化] 再活化；再生；复能的情况；[核] 重激活
reactionism 极端保守主义；反动思想
reactionist 反动分子；保守论者
react 反应；影响；反抗；起反作用
react 使发生相互作用；使起化学反应
His reaction struck me as odd.
他的反应令我诧异。
Reaction to the visit is mixed.
对这次访问的反应不一。
Their reaction dismayed him.
他们的反应使他感到惊愕。
Hillary said his first reaction on reaching the summit was a happy feeling that he had "no more steps to cut."
VOA : special.2010.06.30
It deconvolves that reaction of sodium plus chlorine into elementary steps that are related to electron transfer and acquisition.
它将钠和氯的反应,分解成基本的步骤,这些步骤是直接与电子的转移和获得有关的。
固态化学导论课程节选 : 麻省理工公开课
OK, so what we have to do is get back underneath this reaction, and see what the molar quantities are.
我们应该做的是,再回到这个反应，看看摩尔量是多少。
固态化学导论课程节选 : 麻省理工公开课
He suggested that individual organisms changed in reaction to their environment and passed on these traits to the next generation.
VOA : special.2009.12.01
There appeared to be less reaction later in the week when a different group released new guidelines for cervical cancer testing.
VOA : special.2009.11.25
The intention is for one pub a week to switch, depending on the reaction of customers.
To what extent is our reaction to Les Demoiselles shaped by reverence for Picasso's work?
He thinks back to the unexpected employees reaction to the employee buyout he engineered in 1994.