op‧e‧ra‧tion S1 W1 / ɒpəreɪʃ ə n $ ɑp- / 名词
1 medical [可数名词] the process of cutting into someone’s body to repair or remove a part that is damaged
operation on
She’s going to need an operation on her ankle.
operation for
an operation for cancer
operation to do something
He had an operation to reduce the swelling in his brain.
2 business/organization [可数名词] a business, company, or organization :
The firm set up its own property development operation.
a microchip manufacturing operation
Nolan and Barnes were both involved in the operation.
3 work/activities [可数和不可数名词] the work or activities done by a business or organization, or the process of doing this work :
Many small businesses fail in the first year of operation.
The Education Business Partnership has been in operation since 1989.
4 actions [可数名词] a set of planned actions or activities for a particular purpose :
The UN rescue operation started shortly after dawn.
5 machine/system [不可数名词] the way the parts of a machine or system work together, or the process of making a machine or system work :
The aircraft’s engine operation was normal.
in operation
Protective clothing must be worn when the machine is in operation.
The device has a single button, allowing for easy operation.
Careful checks must be made before the factory commences operation.
The new investment system came into operation in 1999.
6 principle/law/plan etc [不可数名词] the way something such as a principle or law works or has an effect
in operation
a clear example of the law of gravity in operation
come/go into operation (= begin to have an effect )
The new rule comes into operation on February 1.
put/bring something into operation (= make something start to work )
A scheme is being brought into operation to see how these changes would work.
7 military/police action [可数名词] a planned military or police action, especially one that involves a lot of people :
Britain will carry out a joint military operation with the US.
8 computers [可数名词] an action done by a computer
COLLOCATIONS
动词
have an operation ( also undergo an operation formal ) Harris had a hip operation in October. | She has undergone 50 operations since birth.
do/carry out an operation ( also perform an operation formal ) The operation was carried out by a team of surgeons at Papworth Hospital. | I’ve done this operation hundreds of times.
recover from an operation A man is recovering from an emergency operation after his pet dog attacked him.
survive an operation Only one person has survived an operation to implant an artificial heart.
ADJECTIVES/NOUN + operation
a knee/heart/stomach etc operation He is almost back to full fitness after a knee operation.
a major/minor operation The unit cares for patients recovering from major operations.
an emergency operation He had to have his spleen removed in an emergency operation.
a routine operation (= an operation that is often performed ) a routine operation to remove an appendix
a life-saving operation The child underwent a life-saving operation to remove a blockage in her stomach.
a transplant operation He is too weak to undergo a transplant operation.
COMMON ERRORS
► Do not say ’ take an operation ‘. Say have an operation .
Do not say ’ make an operation ‘. Say do an operation or perform an operation .
THESAURUS
operation 名词 [可数名词] the process of cutting into someone’s body to repair or remove a part that is damaged : He had an operation to remove a blood clot from his brain.
procedure 名词 [可数名词] an operation performed in a particular way on a particular part of the body. Procedure is used especially in medical English, for example by doctors and people who work in hospitals. In everyday English people usually say operation : a common surgical procedure | The procedure normally only takes a few minutes.
transplant 名词 [可数名词] an operation to remove an organ from one person’s body and put it into another person’s body : There is a shortage of donors for heart transplants. | She had to have a kidney transplant.
surgery 名词 [不可数名词] medical treatment involving an operation : She required surgery on her right knee. | He was taken in for surgery.
plastic surgery 名词 [不可数名词] surgery to improve someone’s appearance : The singer has just had plastic surgery on her nose.
bypass 名词 [可数名词] an operation to make someone’s blood flow past a part of their heart that is blocked or damaged, often using a vein that has been removed from another part of their body : He went into hospital for a triple heart bypass.
skin graft an operation to repair an area of skin that has been badly damaged, especially using skin from another part of someone’s body : Her leg was severely burned and may require a skin graft.