operation
中考 高考 CET4 CET6 考研 ★★★★★n. 名词 操作, 动作, 手术, 运算, 作用, 业务
📖 词典释义
the state of being in effect or being operative
（暂无独立中文释义）
a business especially one run on a large scale
经营；运作
a planned activity involving many people performing various actions
工作；工序；服务系统；生产系统
(computer science) data processing in which the result is completely specified by a rule (especially the processing that results from a single instruction)
操作；运作；运算；运转
操作, 动作, 手术, 运算, 作用, 业务 整体释义（词典合并，未细分义项）
[计] 运算
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
💬 常用例句
I had an operation for glaucoma last year.
我去年动了青光眼手术。
Doctors refused to perform a second operation.
医生们拒绝做第二次手术。
The plan was put into operation.
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
“operation” 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。