react

1. V-I When you react to something that has happened to you, you behave in a particular way because of it. 作出反應(yīng)

They reacted violently to the news. 他們對(duì)這條新聞反應(yīng)強(qiáng)烈。

2. V-I 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. 反抗

My father never saved money and perhaps I reacted against that. 我父親從不儹錢，也許我反對(duì)這種做法。

3. V-I 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. (對(duì)葯物或其他所碰觸的東西等) 起不良反應(yīng)

Someone allergic to milk is likely to react to cheese. 對(duì)牛嬭過敏的人可能會(huì)對(duì)嬭酪也有不良反應(yīng)。

4. V-RECIP When one chemical substance reacts with another, or when two chemical substances react, they combine chemically to form another substance. 起化學(xué)反應(yīng)

Calcium reacts with water but less violently than sodium and potassium do. 鈣能與水産生化學(xué)反應(yīng)但不如鈉以及鉀那麼劇烈。