| 单词 | reaction |
| 释义 | reaction 4 ENTRIES FOUND: plural reactions plural reactions Learner's definition of REACTION 1 : the way someone acts or feels in response to something that happens, is said, etc.反应；回应 [count]
[noncount]
2 : an action or attitude that shows disagreement with or disapproval of someone or something不同意；不赞成 [count] — usually singular通常用单数 — often + against
[noncount]
3 reactions [plural] : the ability to act and move quickly in order to avoid sudden danger反应能力；反应灵敏度
4 medical : an occurrence in which your body is affected by a drug, food, etc., in usually a bad way（不良）反应；副作用 [count]
[noncount]
5 a chemistry : a chemical change that occurs when two or more substances combine to form a new substance化学反应 [count]
[noncount]
b [count, noncount] physics : a process in which the nucleus of an atom is changed by being split apart or joined with the nucleus of another atom核反应 — called also nuclear reaction — see also chain reaction 6 [count, noncount] physics : a physical force that opposes the action of an equal and opposite force反（作用）力
7 [noncount] formal : a strong tendency or desire to oppose new political or social ideas反动
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英汉双解词典包含109353条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。