operation
operation 英 [ˌɒpəˈreɪʃn] 美 [ˌɑpəˈreɪʃn]
n. 操作；经营；手术
名词复数:operations
- Operation can refer to medical surgery, a military campaign, or mathematical methods, such as multiplication and division.
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- n. 操作；经营；手术
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1. Will I need to have an operation?
我需要动手术吗？
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2. He underwent a three-hour heart operation.
他接受了三个小时的心脏手术。
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3. an operation on her lung to remove a tumour
为她做肺部肿瘤切除手术
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4. a security operation
安全行动
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5. the firm's banking operations overseas
这家公司的国外银行业务
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6. The whole operation is performed in less than three seconds.
全部运算在三秒内完成。
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7. Operation of the device is extremely simple.
这个装置的操作非常简单。
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8. He was the officer in charge of operations.
他是负责指挥作战行动的军官。
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9. The system has been in operation for six months.
这个系统已经运行六个月了。
- operation (n.) late 14c., "action, performance, work," also "the performance of some science or art," from Old French operacion "operation, working, proceedings," from Latin operationem (nominative operatio) "a working, operation," from past participle stem of operari "to work, labor" (in Late Latin "to have effect, be active, cause"), from opera "work, effort," related to opus (genitive operis) "a work" (from PIE root *op- "to work, produce in abundance"). The surgical sense is first attested 1590s. Military sense of "series of movements and acts" is from 1749.
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