operation

医疗medical

1.[c]手术the process of cutting open a part of a person's body in order to remove or repair a damaged part

有组织的活动organized activity

2.[c]（有组织的）活动，行动an organized activity that involves several people doing different things

商务business

3.[c][usupl]（包括许多部分的）企业，公司a business or company involving many parts

4.[c]（工商业）活动，业务the activity or work done in an area of business or industry

计算机computer

5.[c][u]运算；运作an act performed by a machine, especially a computer

机器；系统machine/system

6.[u]运转；运行；操作the way that parts of a machine or a system work; the process of making sth work

军事行动military activity

7.[c][usupl]军事行动military activity

1.【医】手术;〈美〉经营;【数】运算;【商】(资金的)运用;交易;投机买卖;【军】军事行动,作战;【航】地面指挥所

2.动作,行动,活动;业务,工作;作用

3.效果,效力;有效范围,有效期间

1.a planned activity involving a lot of people, especially soldiers or police officers

2.an action or set of actions that is necessary to achieve something

3.the process of cutting into someone’s body for medical reasons

4.the way that something such as a system or service operates; used about the way that a machine or piece of equipment operates; used about the way that something such as a rule or an idea is used

5.a company, or a part of a large company

6.the process of controlling something or of making it work