Definition: when a doctor cuts your body open and repairs or removes something Level: B2
病人在接受切除肿瘤的手术后恢复良好。
The patient is recovering well after ___surgery to remove the tumor.
随着现代技术的应用，心脏手术已经变得安全得多。
Heart ___surgery has become much safer with modern techniques.
我父亲下周将接受膝盖手术。
My father will undergo ___surgery on his knee next week.
