re
act
第三人称
reacts
现在进行时
reacting
过去式
reacted
过去完成时
reacted
1
反应, 回应
to act or behave in a particular way in response to something
及物动词
- The political leader had to react promptly to the evolving situation, addressing concerns and making policy adjustments.
政治领导人不得不迅速反应于不断变化的局势,解决关切并进行政策调整。
- The athlete trained to react instantly to the coach's signals, making split-second decisions during the game.
运动员训练自己能够即时反应教练的信号,在比赛中做出瞬间决定。
- In a negotiation, it's crucial to react strategically to the other party's proposals.
在谈判中,战略性地回应对方的提议至关重要。
- Drivers must be prepared to react to sudden changes in traffic conditions to avoid accidents on the road.
驾驶员必须准备好应对交通状况的突然变化,以避免道路上的事故。
- The security team is trained to react decisively to potential threats.
安全团队经过训练,能够果断应对潜在威胁。
同义词:
2
反应, 相互作用
(physics) to be subject to physical or chemical change
- When sodium reacts with water, it produces sodium hydroxide and hydrogen gas as byproducts.
当钠与水反应时,会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反应,随着时间的推移形成锈。
- In a combustion reaction, hydrocarbons react with oxygen to produce carbon dioxide and water.
在燃烧反应中,碳氢化合物与氧气反应生成二氧化碳和水。
- When acids react with bases, they form water and salts as part of a neutralization reaction.
当酸与碱反应时,它们会形成水和盐作为中和反应的一部分。
- During cellular respiration, glucose and oxygen react to produce carbon dioxide, water, and energy.
在细胞呼吸过程中,葡萄糖和氧气反应产生二氧化碳、水和能量。
3
反应, 回应
to show a hostile response to an opposing action
- The citizens decided to react against the proposed tax increase by organizing a protest.
公民们决定通过组织抗议来反应反对提议的增税。
- The workers' union announced plans to react against the unfair labor practices of the company.
工会宣布计划反应公司的不公平劳动行为。
- The public reacted strongly against the government's decision to cut funding for education.
公众对政府削减教育经费的决定强烈反应。
- The opposition party urged citizens to react against the government's authoritarian measures.
反对党敦促公民对政府的专制措施作出反应。
同义词:
4
反应, 相互作用
(physics) to cause a substance to change by interacting with other substances
及物动词
- In the experiment, sodium hydroxide will be reacted with hydrochloric acid to form a salt and water.
在实验中,氢氧化钠将与盐酸反应形成盐和水。
- 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,有机溶剂将在受控条件下与试剂反应。
- We reacted the metal with hydrochloric acid to observe the resulting chemical reaction.
我们将金属与盐酸反应以观察产生的化学反应。
- In the new process, we will react ammonia with oxygen to produce the desired compound.
在新工艺中,我们将使氨与氧反应以生产所需的化合物。
- We have reacted the precursor compounds with specific reagents to yield the active pharmaceutical ingredient.
我们已经将前体化合物与特定试剂反应以产生活性药物成分。
5
反应
to have an adverse reaction to something particular such as food, smell, etc., particularly one that causes illness
- Certain individuals may react negatively to strong perfumes, experiencing headaches or respiratory discomfort.
某些人可能对强烈的香水有负面反应,出现头痛或呼吸不适。
- People with lactose intolerance may react after consuming dairy products.
乳糖不耐症的人在食用乳制品后可能会反应。
- Those with pollen allergies may react during the spring months when the pollen count is high.
那些对花粉过敏的人可能会在花粉数量高的春季月份反应。
- Some individuals react to certain food additives, causing allergic reactions or intolerance symptoms.
有些人对某些食品添加剂有反应,导致过敏反应或不耐受症状。
- He always brings an epinephrine pen with him in case he accidentally ingests nuts and reacts to them.
他总是随身携带一支肾上腺素笔,以防他不小心摄入坚果并对其反应。