reaction

1. N-VAR Your reaction to something that has happened or something that you have experienced is what you feel, say, or do because of it. 反應

Reaction to the visit is mixed. 對這次訪問的反應不一。

2. N-COUNT 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. 所有新時尚都是從反抗現存習俗開始的。

3. N-SING If there is a reaction against something, it becomes unpopular. 觝觸[also no det, N 'against' n]

Premature moves in this respect might well provoke a reaction against the reform. 在這方麪過早的行動可能會激起對改革的觝觸。

4. N-PLURAL Your reactions are your ability to move quickly in response to something, for example when you are in danger. 反應能力; 應變能力

The sport requires very fast reactions. 這項運動要求很快的反應能力。

5. N-UNCOUNT Reaction is the belief that the political or social system of your country should not change. 保守思想[表不滿]

Thus, he aided reaction and thwarted progress. 所以他支持保守思想，反對進步。

6. N-COUNT A chemical reaction is a process in which two substances combine together chemically to form another substance. (化學) 反應

Ozone is produced by the reaction between oxygen and ultraviolet light. 臭氧是氧氣與紫外線發生化學反應而産生的。

7. N-COUNT 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. (對葯物或所碰觸的東西等的) 不良反應

Every year, 5,000 people have life-threatening reactions to anaesthetics. 每年，有5000人會對麻醉劑産生致命的不良反應。