Cách dùng danh từ "reaction" tiếng anh

· Cách dùng từ

I. "reaction" vừa là danh từ đếm được, vừa không đếm được

II. Cách dùng

1. Mang nghĩa "sự phản ứng lại, phản ứng của ai đó"

=Your reaction to something that has happened or something that you have experienced is what you feel, say, or do because of it.

IELTS TUTOR lưu ý:

  • Với nghĩa này, reaction vừa là danh từ đếm được, vừa không đếm được 
  • reaction to 

IELTS TUTOR xét ví dụ:

  • Reaction to the visit is mixed. 
  • The initial reaction of most participants is fear. 
  • His reaction was strange. (IELTS TUTOR giải thích: Phản ứng của anh ta thật lạ)
  • He was surprised that his answer should have caused such a strong reaction.

2. Mang nghĩa "sự làm khác đi, tạo ra con đường riêng, không hành động theo lối cũ"

=A reaction against something is a way of behaving or doing something that is deliberately different from what has been done before.

IELTS TUTOR lưu ý:

  • Với nghĩa này, reaction là danh từ đếm được
  • reaction against

IELTS TUTOR xét ví dụ:

  • All new fashion starts out as a reaction against existing convention.
  • Her three years of freedom seemed like a reaction against that childhood.

3. Mang nghĩa "sự phản động (chính trị), kích động"

=If there is a reaction against something, it becomes unpopular / Reaction is the belief that the political or social system of your country should not change

IELTS TUTOR lưu ý:

  • Với nghĩa này, reaction là danh từ số ít
  • reaction against

IELTS TUTOR xét ví dụ:

  • Premature moves in this respect might well provoke a reaction against the reform. 
  • The idealism may be a reaction against the failure of society to manage itself.
  • Thus, he aided reaction and thwarted progress. 
  • ...their victory against the forces of reaction and censorship

4. Mang nghĩa "cơ thể phản xạ lại sự nguy hiểm"

=Your reactions are your ability to move quickly in response to something, for example when you are in danger.

IELTS TUTOR lưu ý:

  • Với nghĩa này, reaction là danh từ số nhiều

IELTS TUTOR xét ví dụ:

    • If his reactions are so slow, he shouldn't be in charge of a bus. 
    • The sport requires very fast reactions.

    5. Mang nghĩa "phản ứng hoá học"

    =A chemical reaction is a process in which two substances combine together chemically to form another substance.

    IELTS TUTOR lưu ý:

    • Với nghĩa này, reaction là danh từ đếm được
    • reaction between

    IELTS TUTOR xét ví dụ:

    • Ozone is produced by the reaction between oxygen and ultra-violet light. 
    • Catalysts are materials which greatly speed up chemical reactions
    • Temperature can affect the rate of a chemical reaction. 
    • catalytic reaction (IELTS TUTOR giải thích: phản ứng xúc tác)
    • We are studying reactions between a number of metals and acids.

    6. Mang nghĩa "dị ứng, kích động cơ thể"

    =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.

    IELTS TUTOR lưu ý:

    • Với nghĩa này, reaction là danh từ đếm được
    • reaction to 
    • have/suffer a reaction

    IELTS TUTOR xét ví dụ:

    • Every year, 5000 people have life-threatening reactions to anaesthetics.
    • Common foods which cause this kind of reaction are fish, eggs, and shellfish.
    • Some people’s skin has an allergic reaction to certain types of fabric. 
    • He suffered a violent reaction to the medicine.

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