reaction
CET4 CET6 ★★★★★n. 名词 反应, 反作用, 反动
📖 词典释义
an idea evoked by some experience
(暂无独立中文释义)
a bodily process occurring due to the effect of some antecedent stimulus or agent
(暂无独立中文释义)
(mechanics) the equal and opposite force that is produced when any force is applied to a body
反作用力
a response that reveals a person's feelings or attitude
反应
反应, 反作用, 反动 整体释义(词典合并,未细分义项)
[医] 反应
词性说明:n.=名词,v.=动词,vt.=及物动词,vi.=不及物动词,adj.=形容词,adv.=副词,prep.=介词,conj.=连词,pron.=代词,num.=数词,art.=冠词,int.=感叹词
🔁 词形变化
🧩 构词提示
reaction
=
re
(again; back;再次;回)
+
action
这是“前缀 + 单词”结构,试试 查看前缀 re 的全部单词。
💬 常用例句
What was Tom's reaction?
It started a chain reaction.
Is there any adverse reaction?
例句来自 Tatoeba 语料(CC BY 2.0 FR),中文释义为参考翻译。
💡 学习提示
“reaction” 属于非词根单词,不在 25 个核心词根体系内,但同样是高频常用词。 想从零系统学习词根?试试 零基础入门教程, 或浏览全部词根。