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" (see opus). The surgical sense is first attested 1590s. Military sense of "series of movements and acts" is from 1749.
实用例句
1. The operation is carried out under a general anaesthetic.
该手术是在全身麻醉情况下实施的。
来自柯林斯例句
2. The formalization of co-operation between the republics would produce progress.
正式确立合作关系将会促进共和国之间合作的顺利进展。
来自柯林斯例句
3. He is recovering from an operation to reset his arm.
他做了一个手臂复位手术，正在恢复。
来自柯林斯例句
4. A debriefing would follow this operation, to determine where it went wrong.
这次行动之后将会有一个任务执行情况报告会，以便确定是哪里出了问题。
来自柯林斯例句
5. The air rescue operation has now been scaled down.
