1.reaction n. 反应［C］
指对发生的事情或他人的话语所作的某种直观的动作或举措等反应，常后接介词 to。
包括化学的、物理的、生物的、身体上的、意识上各种反应。
Congress is waiting to see how the Oval Office will react.
国会正观望总统方面的反应。
It set off a chain reaction in the international money markets.
这一事件在国际金融市场上引起了连锁反应。
She's suffering a delayed reaction to the shock.
她正在承受着冲击所带来的滞后反应。
Dairy products may provoke allergic reactions in some people.
乳制品可能会引起某些人的过敏反应。
What is the City's reaction to the cut in interest rates?
伦敦金融界对削减利率的反应如何？
My instinctive reaction was to deny everything.
我的本能反应是否认一切。
He proposed a model of stress reaction in the body.
他提出了一个人体内应激反应的模型。
The commentator criticized the government's reaction to the oil crisis.
该评论员批评了政府对石油危机的反应。
There has been a mixed reaction to her appointment as director.
对她获任命为主管一事，人们的反应褒贬不一。
People's reaction to the film has varied greatly.
人们对这部影片的反应大不一样。
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。
The policy produced an angry reaction from workers.
这一政策引起了工人们的愤怒。
What was his reaction to the news?
他对这消息有何反应？
He was a little bit afraid of his father's reaction
他有点害怕父亲的反应。
My immediate reaction was one of shock.
我当即的反应是大吃一惊。
My initial reaction was to decline the offer.
我最初的反应是要婉言谢绝这个提议。
It was a knee-jerk reaction on her part.
这是她未加思索做出的反应。
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损失而作出的反应。
What is the City's reaction to the cut in interest rates?
伦敦金融界对削减利率的反应如何？
The law is often tardy in reacting to changing attitudes.
法律对变化中的观念常常反应迟缓。
If his reactions are so slow, he shouldn't be in charge of a bus.
如果他的反应太慢，就不应该开公交汽车。
They interviewed employees to gauge their reaction to the changes.
他们与雇员面谈以判定他们的应变能力。
The photochemical reactions transform the light into electrical impulses.
光化学反应使光变为电脉冲。
Ozone is produced by the reaction between oxygen and ultraviolet light.
臭氧由氧气和紫外线发生反应而产生。
Every year, 5000 people have life-threatening reactions to anaesthetics.
每年有5,000人对麻醉剂产生致命反应。
I tried shaking him but there was no reaction.
我试着摇了摇他，但他一动不动。
The police presented a reactive rather than preventive strategy against crime.
警方对付犯罪的办法，不是事先加以防范，而是事后作出反应。
2.feedback n. 反馈意见、信息［U］
指针对某事物给出的建议、批评等，常后接介词 on。
The more feedback we get from viewers, the better.
从观众那儿得到的反馈越多越好。
They gave me some feedback on my work.
他们对我的工作提出了一些意见。
Please try to give each piece of work some feedback.
请尽量给每个作品提点反馈意见。
Continue to ask for feedback on your work.
继续征求对你的工作的反馈意见。
They gave me some feedback on my work.
他们对我的工作提出了一些意见。
I'd appreciate some feedback on my work.
如果有人对我的工作提出意见我将感激不尽。
The teacher will give you feedback on the test.
老师会对你的测验提供反馈信息。
We need both positive and negative feedback from our customers.
我们需要顾客正反两方面的反馈意见。
I was getting great feedback from my boss.
老板对我的评价很高。
You need feedback to monitor progress.
你需要利用反馈信息来监控进展。
When they get to know me and to trust me, knowing for sure I'm not selling them something — there'll be more honest feedback from them.
当他们了解我，信仼我，确信我不是在推销时，就会给出更真实的反馈。
3.reply n. 回复；回答；答复；回应；作出反应［C,U］
指通过言语、信件等对某事作的回应，常后接介词 to。
She knocked on the door, but there was no reply.
她敲了敲门，但是没人应声。
No reply to their letter has been received.
他们的信还没有收到任何回复。
You should receive a reply within seven days.
你会在七天之内收到答复。
They received a negative reply.
他们得到一个否定的答复。
My job was to chase up late replies.
我的工作是催促迟迟不送回来的答复。
They've got a liberty, not even sending me a reply.
他们真无礼，连个答复也不给我。
I wrote to them last month and I'm still waiting for a reply.
我上个月给他们写了信，到现在还在等回音。
We had over 100 replies to our advertisement.
我们的广告宣传收到了100多份答复。
To date, we have received over 200 replies.
到目前为止，我们已收到200多封回信。
I asked her what her name was but she made no reply .
我问她叫什么名字，但她没有回答。
I am writing in reply to your letter of 16 March.
3月16日来函收悉，现答复如下。
I called out a challenge, but there was no reply.
我提出挑战，但是没人回应。
4.response n. 回答，反应［C,U］
指口头或书面的答复，也指对某事的反应，常后接介词 to。
即指作为反馈而采取的行动、表达的态度等
He could never ever give any responses to his captor other than name, rank, serial number and date of birth.
除姓名、军衔、部队编号和出生年月外，他再也不肯回答俘获他的人的任何问题。
Her son made no response, and went on with his movie.
她儿子没有回答，继续看电影。
I am writing in response to your inquiry.
我现写信回复您的询问。
This novel has received a positive response from readers.
这部小说得到读者的好评。
There has been no response to his remarks from the government.
政府尚未对他的言论作出回应。
The government has been cautious in its response to the report.
政府对此报道反应谨慎。
Firms have to be responsive to consumer demand.
公司必须对顾客的需求作出积极反应。
That was the initial response to my question.
这是对我的问题的最初答复。
I received an encouraging response to my advertisement.
我的广告宣传有了令人鼓舞的回应。
I knocked on the door but there was no response.
我敲了门，可是没有回应。
The product was developed in response to customer demand.
这种产品是为了满足顾客的需要而开发的。
People responded very favourably to the film.
大家对这部影片反应很好。
The public has responded magnificently to our efforts.
公众对我们所作出的努力反应极好。
The audience reacted readily to his speech.
听众对他的演说立即作出反应。
Staff respond well to her unbuttoned style of management.
职工对她洒脱的管理风格反应很好。
The patient has responded to the treatment rather better than expected.
病人对治疗的反应比预想的好得多。
Since 2013, over 100 countries and international organizations have given warm responses to the Belt and Road（一带一路）.Our circle of friends is growing bigger and bigger.
2013年以来，已有100多个国家和国际组织积极响应一带一路倡议，我们的朋友圈越来越大。