react
柯林斯词典
1. V-I When you react to something that has happened to you, you behave in a particular way because of it. 作出反应
They reacted violently to the news. 他们对这条新闻反应强烈。
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. 我父亲从不攒钱,也许我反对这种做法。
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. (对药物或其他所碰触的东西等) 起不良反应
Someone allergic to milk is likely to react to cheese. 对牛奶过敏的人可能会对奶酪也有不良反应。
4. V-RECIP When one chemical substance reacts with another, or when two chemical substances react, they combine chemically to form another substance. 起化学反应
Calcium reacts with water but less violently than sodium and potassium do. 钙能与水产生化学反应但不如钠以及钾那么剧烈。
返回 react
react /rɪˈækt/ (reacting,reacted,reacts)
剑桥词典
- to act in a particular way as a direct result of something else
- It's difficult to gauge how they'll react.
- She slapped him and called him names , but he didn't react.
- The prime minister reacted angrily to claims that he had lied to the House of Commons.
- She reacted surprisingly calmly to the news of his death .
- The government was very slow to react to the problem .
反应;作出回应
She slapped him and called him names , but he didn't react. 她打他并辱骂他,但他不予回应。
The judge reacted angrily to the suggestion that it hadn't been a fair trial . 有人说审判不公正,法官对此很愤怒。
Many people react (badly ) to (= are made ill by) penicillin . 很多人对青霉素(严重)过敏。
chemistry
to change in a physical or chemical way when put with another substance
产生(化学)反应
Potassium reacts with water . 钾和水会发生化学反应。
例句