Word · CEFR B2 · Frequency #1269
Fully loadedreaction
反应；回应
A response to something, such as an action, statement, or feeling.
- 1.
An action or statement in response to a stimulus or other event.
对刺激或其他事件的反应或陈述
- 2.
(chemistry) a process in which one or more substances are changed into others
(化学) 一种或多种物质转变为其他物质的过程
- 3.
A transformation in which one or more substances is converted into another by combination or decomposition.
一种或多种物质通过组合或分解转化为另一种的过程
- 4.
an idea evoked by some experience
由某种经历引发的一种想法
- 5.
Reactionary politics; a period in which reactionary thought or politics is resurgent or dominant.
反动政治；反动思想或政治复兴或占主导地位的时期
- 6.
a bodily process occurring due to the effect of some antecedent stimulus or agent
因先前刺激或因素作用而产生的身体过程
化学反应；（身体）反应；生理反应；反动；倒退；保守势力；对刺激或其他事件的反应或陈述；(化学) 一种或多种物质转变为其他物质的过程
In use
Mixing vinegar and baking soda produces a chemical reaction that releases carbon dioxide.
Her reaction to the news was one of complete surprise.
The patient had an allergic reaction to the medication, so the doctor stopped it immediately.
there was a chemical reaction of the lime with the ground water
his reaction to the news was to start planning what to do
a bad reaction to the medicine
reaction to sth
表示对某事物的回应或反应。
Her reaction to the joke was laughter.
她对笑话的反应是大笑。
Connections
Collocations
- chemical reaction
- 化学反应
- The experiment caused a sudden chemical reaction.实验引发了突然的化学反应。
- allergic reaction
- 过敏反应
- She had an allergic reaction to peanuts.她对花生有过敏反应。
- chain reaction
- 连锁反应
- The announcement set off a chain reaction of events.这个声明引发了一系列事件的连锁反应。
- knee-jerk reaction
- 本能反应
- It was just a knee-jerk reaction to the news.那只是对消息的本能反应。
- adverse reaction
- 不良反应
- The patient suffered an adverse reaction to the medication.病人对这种药物产生了不良反应。
- reaction time
Learner notes
Memory Tip
想象化学实验：物质混合后‘反应’（reaction）就像你被针刺到立刻缩手，刺激与回应紧密相连。
Context & Register
语域：neutral 常见场景：日常对话、学术写作 reaction 作为名词，通常用于表示对某事的反应或回应，也可用于科学领域表示化学反应。在日常对话和正式场合都常见。
Grammar Note
常与介词to连用，表示'对...的反应'
Pronunciation & Spelling
All listed words rhyme with reaction (stressed vowel /æ/ followed by /kʃən/). Beware of lookalikes like fiction (/ˈfɪkʃən/) or connection (/kəˈnɛkʃən/) which differ in vowel.
High-value vocabulary
该词属于 Oxford 核心词汇，值得优先掌握常见搭配和句型。
Usage priority
Collins 词频等级为 4，建议结合例句记忆，而不是只背中文释义。
Learn the forms together
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.