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to react
01
反应, 回应
to act or behave in a particular way in response to something
Transitive: to react to sth in a specific manner
Example
The political leader had to react promptly to the evolving situation, addressing concerns and making policy adjustments.
政治领导人必须迅速对不断变化的局势做出反应，解决问题并进行政策调整。
The athlete trained to react instantly to the coach's signals, making split-second decisions during the game.
运动员训练以便可以立即反应教练的信号，在比赛中快速做出决定。
02
反应, 发生反应
(physics) to be subject to physical or chemical change
Intransitive: to react | to react with a chemical element
Example
When sodium reacts with water, it produces sodium hydroxide and hydrogen gas as byproducts.
当钠与水反应时，产生氢氧化钠和氢气作为副产品。
The iron in the nail reacts with oxygen in the air, forming rust over time.
钉子中的铁与空气中的氧气发生反应，随着时间的推移形成锈。
03
反应, 反击
to show a hostile response to an opposing action
Intransitive: to react against an undesirable action or change
Example
The citizens decided to react against the proposed tax increase by organizing a protest.
The workers ' union announced plans to react against the unfair labor practices of the company.
04
反应, 发生反应
(physics) to cause a substance to change by interacting with other substances
Transitive: to react a chemical element with another chemical element
Example
In the experiment, sodium hydroxide will be reacted with hydrochloric acid to form a salt and water.
在实验中，氢氧化钠将与盐酸发生反应，生成盐和水。
To produce the desired compound, the organic solvents will be reacted with the reagents under controlled conditions.
为了产生所需的化合物，有机溶剂将在控制条件下与试剂发生反应。
05
反应, 过敏
to have an adverse reaction to something particular such as food, smell, etc., particularly one that causes illness
Intransitive: to react | to react to an allergen
Example
Certain individuals may react negatively to strong perfumes, experiencing headaches or respiratory discomfort.
People with lactose intolerance may react after consuming dairy products.
word family
act
Verb
react
Verb
overreact
Verb
overreact
Verb
reactance
Noun
reactance
Noun
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