| 单词 | operation |
| 释义 | operation v.操作，运转；运算；手术 〖题〗The young surgeon ___ his first operation successfully. A.made B.exercised C.carried D.performed 〖解〗答案D。perform an operation (on)“给……作手术，对……进行手术”。可以说carry out an operation“作手术；作战”。 〖词组〗come/go into operation开工，生效，开始运转；put/bring into operation 使投入生产，使运转，使生效；perform an operation on sb.为某人做手术 |
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