react

• 表示对某事物作出回应或采取某种行为的动词，涵盖作出反应、回应以及产生化学反应等主要含义。

A verb used to indicate the act of responding or behaving in a particular way as a result of something.

1. Respond to somethingA2formal

   To act or behave in a particular way as a result of something that happens.

   反应

   • She reacted calmly to the bad news.
   • The audience reacted with applause to the performance.
   • He didn't know how to react to the unexpected question.

   同义词actanswerbehavereplyrespond

2. Chemical reactionB2formalscientific

   To undergo a chemical change when combined with another substance.

   发生化学反应

   • When sodium reacts with water, it produces hydrogen gas.
   • The acid reacted with the metal, causing corrosion.
   • Scientists observed how the two compounds react under heat.

3. React against somethingB1formal

   To show opposition or resistance to something.

   反对

   • The workers reacted against the new policy by going on strike.
   • Teenagers often react against strict rules.
   • The public reacted strongly to the government's decision.

   同义词defyfight backopposepush backrebelresistrevoltrise upwithstand

   反义词acceptembraceendorsesupport