反应
A feeling, type of behavior, or physical process that happens as a result of something else. In science, it refers to chemical or physiological changes.
Exemplos
3 de 5听到这个消息，他的第一反应是惊讶。
Hearing the news, his first reaction was surprise.
市场对新产品的反应非常积极。
The market's response to the new product was very positive.
这种药物可能会引起过敏反应。
This medication may cause an allergic reaction.
Família de palavras
Dica de memorização
反 (back) + 应 (respond). It's the response that comes 'back' after an action.
Quiz rápido
大多数观众对这部电影的___很好。
Correto!
A resposta correta é: 反应
Exemplos
听到这个消息，他的第一反应是惊讶。
everydayHearing the news, his first reaction was surprise.
市场对新产品的反应非常积极。
businessThe market's response to the new product was very positive.
这种药物可能会引起过敏反应。
academicThis medication may cause an allergic reaction.
由于疲劳，他的反应变得有些迟钝。
formalDue to fatigue, his reactions have become a bit slow.
你对他的建议有什么反应？
informalWhat's your reaction to his suggestion?
Família de palavras
Colocações comuns
Frases Comuns
反应迟钝
slow to react
反应灵敏
quick to react
做出反应
to make a response
Frequentemente confundido com
反映 (fǎnyìng) means to reflect or report something (like a mirror or a report), while 反应 refers to a response to a stimulus.
Notas de uso
Very common in IELTS listening and reading sections related to psychology or biology.
Erros comuns
Learners often confuse the characters 反应 and 反映 because they have the same pronunciation.
Dica de memorização
反 (back) + 应 (respond). It's the response that comes 'back' after an action.
Origem da palavra
反 (opposite/return) + 应 (respond/correspond).
Padrões gramaticais
Quiz rápido
大多数观众对这部电影的___很好。
Correto!
A resposta correta é: 反应
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Mais palavras de science
实证
B1Empirical proof or evidence; knowledge or verification based on observation and experiment rather than theory.
重叠
B1To cover part of the same area of space or time; to overlap. It can be used for physical objects or abstract concepts like schedules or roles.
频率
B1The rate at which something occurs or is repeated over a particular period of time. It is used in both scientific and everyday contexts.
分类
B1To arrange a group of people or things in classes or categories according to shared qualities or characteristics.
实验
B1A scientific procedure undertaken to make a discovery, test a hypothesis, or demonstrate a known fact.
验证
B1To prove that something is true or accurate by testing, examining, or using evidence.
证实
B1To prove that something is true by providing evidence or factual data. This is a crucial step in the scientific method and journalistic integrity.
产生
B1To produce, bring about, or give rise to something (often abstract, like an effect, a feeling, or a problem).
发现
B1To become aware of something that already exists but was unknown, or to see or find something for the first time.
密度
B1The degree of compactness of a substance; the quantity of people or things in a given area.
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