及物动词

不及物动词

1. （作出）反应；回应
When you react to something that has happened to you, you behave in a particular way because of it.

2. 反抗;不服;反对
If you react against someone's way of behaving, you deliberately behave in a different way because you do not like the way they behave.

3. 产生不良反应;过敏
If you react to a substance such as a drug, or to something you have touched, you are affected unpleasantly or made ill by it.

4. 起（化学）变化;发生（化学）反应
When one chemical substance reacts with another, or when two chemical substances react, they combine chemically to form another substance.

1. undergo a chemical reaction
react with another substance under certain conditions

e.g. The hydrogen and the oxygen react

2. show a response or a reaction to something

Synonym: respond

3. act against or in opposition to

e.g. She reacts negatively to everything I say

Synonym: oppose