1．operation，操作，读音：美/ˌɑːpəˈreɪʃn/；英/ˌɒpəˈreɪʃn/。
2．释义：n.操作；经营；[外科]手术；[数][计]运算。
3．例句：The doctor has two surgical operations to do in the afternoon.这位医生下午还有两个外科手术要做。
