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n. 操作；经营；手术；运算
对…动手术；对…起作用
?手术
... 注射inyeccion 手术operacion 麻醉anestesia ...
武器交易
港口行动
小男孩往上冲
In Spain, the Operacion Puerto trial is now underway following an investigation, which began in 2006, into the widespread doping network operated by Dr. Eufemiano Fuentes.
CNN: Soccer joins battle against doping
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。