| 释义 |
🔑reactionre·ac·tion AW /riˈækʃn / noun ➤to events / situation事件；局势- [countable, uncountable](a) reaction (to sb / sth) something that you do or say because of something that has happened or been said反应；回应◆What is your reaction to the news?你对这个新闻有何看法？◆a hostile reaction敌对的反应◆I shook him to try and wake him up, but there was no reaction.我摇了摇他，想把他叫醒，但他毫无反应。
➤change in attitudes态度的改变- [countable, uncountable](a) reaction (against sb / sth) behavior that shows that you do not like the influence of someone or something (for example authority, your family, etc.)反抗；反对◆Her strange clothes are a reaction against the conservative way she was raised.她的奇装异服是对自己所受的保守家教的反抗。
➤to drugs, food, etc.药品、食物等- [countable] a reaction (to sth) a bad effect that your body experiences because of something that you have eaten, touched, or breathed过敏反应；副作用◆She had an allergic reaction to something in the food.她对食物中的某种成分过敏。
➤to danger危险- [countable, usually plural] the physical ability to act quickly when something happens反应能力◆If the other driver's reactions hadn't been so good, there would have been an accident.如果不是另一个司机反应快，肯定出事故了。
➤science科学- [countable, uncountable] (
chemistry化学) a chemical change produced by two or more substances coming into contact with each other化学反应
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