| 单词 | operation |
| 释义 | operationoperationsoperationoperation /ˌɒpəˈreɪʃən $ ˌɑːp-/ noun1in hospital [countable] when doctors cut into someone’s body in order to remove or repair a part that is damagedoperation onHe’s recovering from an operation on his shoulder.recover他肩部动了手术﹐正在恢复中。2action to do something [countable] when people work together in a planned way in order to do something: a rescue operation救援行动3business/organization [uncountable and countable] the work of a business or organization, or one of the parts of a company or organization: Many small businesses fail in the first year of operation.business许多小公司开业第一年即倒闭。the company’s property development operation公司的房地产开发业务4machines/equipment [uncountable] the way in which something works, or when someone makes something work: The job involves the operation of heavy machinery.involve 这工作需要操作重型机器。5computer action [countable] technical an action done by a computer: The computer can do several operations at one time.operation电脑可以同时进行多项运算。Phrasesin operation if a system or machine is in operation, it is working: Video cameras were in operation.camerabe摄录机正在拍摄。come into operation to start working or being used: The new system came into operation in 1999.come新制度于 1999 年开始实施。COLLOCATIONS: operationverbsto have an operationShe’s having her operation today.have ► Do not say ’take an operation’. Say have an operation.to do/carry out an operation (also to perform an operation formal)I’ve done this operation hundreds of times.dohundredtimeThe operation was carried out by a team of surgeons at Papworth Hospital.becarrysurgeon ► Do not say ’make an operation’. Say do an operation or carry out an operation.to recover from an operationIt may take her weeks to recover from the operation.weektypes of operationa knee/heart/stomach etc operationHe went into hospital yesterday for a knee operation.goa major/minor operationThe doctor told him he needed a major operation.tellneedan emergency operationSurgeons performed an emergency operation to save his sight.surgeonperform |
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