英语释义
1. to exert a reciprocal or counteracting force or influence —often used with on or upon
2. to change in response to a stimulus
3. to act in opposition to a force or influence —usually used with against
4. to move or tend in a reverse direction
5. to undergo chemical reaction
6. to cause to react
7. to behave or change in a particular way when something happens, is said, etc.
8. to change after coming into contact with another substance
9. to be affected by a drug, food, etc., in usually a bad way
10. to act or behave in response to something
Firefighters reacted quickly to the situation.
11. to oppose a force or influence Hint: In this sense, react is usually used with against.
Workers reacted against unfair treatment.
12. to go through a chemical reaction
Acids react with bases to form salt.
13. to respond to a stimulus
14. to undergo chemical reaction