单词/词组检索

operation
级别	第3级
音标	[ ˌɒpəˈreɪʃn ]
解释	n.操作，运转；经营，业务；作用，效力；手术；运算
英英释义	the fact of operating or being active
发音
例句	1. Her mother began operation of a small grocery. 她母亲开始经营一家小杂货店。 2. Your operation was very successful. 你的手术非常成功。