reaction - Definition & Meaning

tion

复数形式

reactions

反应, 回答

an action, thought, or feeling in response to something that has happened

Her immediate reaction to the news was one of disbelief.
她对消息的即时反应是不相信。
The team's victory elicited a joyful reaction from their fans.
球队的胜利引起了球迷们的喜悦反应。
His reaction to criticism was to reflect on how he could improve.
他对批评的反应是思考如何改进自己。
The movie's unexpected ending provoked strong reactions from viewers.
电影出乎意料的结局引发了观众强烈的反应。

反应

(chemistry) a process in which several chemicals combine and form different substances

The reaction between hydrogen and oxygen produces water.
氢和氧之间的反应产生水。
A catalyst speeds up a chemical reaction without being consumed.
催化剂在不被消耗的情况下加速化学反应。
Photosynthesis is a key reaction converting CO₂ and water into glucose.
光合作用是将二氧化碳和水转化为葡萄糖的关键反应。
The reaction released heat, indicating it was exothermic.
反应释放了热量，表明它是放热的。
Balancing equations ensures mass conservation in a reaction.
平衡方程确保反应中的质量守恒。

同义词：

反应, 印象

an idea evoked by some experience

反应

the way one's body responds to a drug, chemical substance, etc.

The patient had an allergic reaction to the new medication.
患者对新药有过敏反应。
His skin showed a severe reaction to the chemical exposure.
他的皮肤对化学物质的暴露显示出严重的反应。
She experienced a mild reaction after receiving the vaccine.
她在接种疫苗后经历了轻微的反应。
The doctor monitored him for any adverse reaction to the treatment.
医生监测他对治疗是否有任何不良反应。
The rash was a reaction to the detergent used on his clothes.
皮疹是对他衣服上使用的洗涤剂的反应。

同义词：

反应, 反对

doing something in opposition to another way of doing it that you don't like

反动, 极端保守主义

extreme conservatism in political or social matters

反作用力

(mechanics) the equal and opposite force exerted by a body in response to an applied force, as described by Newton's Third Law of Motion

When you push a wall, the reaction force from the wall pushes back equally.
当你推墙时，墙的反作用力会以相等的力推回来。
The rocket's thrust is the reaction to the expulsion of exhaust gases downward.
火箭的推力是向下排出废气所产生的反作用力。
The reaction of the ground propels a runner forward with each step.
地面的反作用力推动跑步者每一步向前。
A swimmer moves forward because the water's reaction force opposes their arm strokes.
游泳者向前移动是因为水的反作用力抵抗他们的手臂划水。
The chair's reaction force supports your weight when you sit.
椅子的反作用力在您坐下时支撑您的体重。