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to react
01
反応する (はんのうする), リアクションする
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.
その政治的指導者は、発展する状況に迅速に反応し、懸念に対処し、政策を調整しなければなりませんでした。
The athlete trained to react instantly to the coach's signals, making split-second decisions during the game.
そのアスリートはコーチの信号に即座に反応するためにトレーニングをし、試合中に瞬時の判断を下しました。
02
反応する, 反応を示す
(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.
ナトリウムが水と反応すると、生成物として水酸化ナトリウムと水素ガスを生成します。
The iron in the nail reacts with oxygen in the air, forming rust over time.
釘の鉄は空気中の酸素と反応することで、時間が経つにつれて錆が形成されます。
03
反応する, 抵抗する
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
反応させる, 反応する
(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.
実験では、水酸化ナトリウムが塩酸と反応させて、塩と水を生成します。
To produce the desired compound, the organic solvents will be reacted with the reagents under controlled conditions.
求められる化合物を生成するために、有機溶媒は試薬と制御された条件下で反応させられます。
05
反応する (はんのうする), アレルギー反応を示す (あれるぎーはんのうをしめす)
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
近隣の言葉
