What you do, say, or think because of something that happened.
People had different reactions to the news about her promotion.
人們對關於她晉升的消息有不同的反應。
A change in how people act or think because they dislike past ways.
The new rules are a reaction against the old, loose policies.
新規定是對舊寬鬆政策的反對反應。
How your body responds to a drug, food, or chemical, often in a bad way.
Some people have an allergic reaction to peanuts.
有些人對花生有過敏反應。
The ability to act quickly when something happens, especially in danger.
Good drivers need fast reaction times to avoid accidents.
好司機需要快速的反應時間來避免事故。
A process where chemicals mix and change into something new.
Mixing baking soda and vinegar causes a chemical reaction.
混合小蘇打和醋會引起化學反應。
A force that pushes back with equal strength when another force acts on it.
In physics, every action has an equal and opposite reaction.
在物理學中,每個作用力都有一個大小相等、方向相反的反作用力。
Resistance to social or political change.
The government faced strong reaction from groups opposed to reform.
政府面臨來自反對改革團體的強烈反對。