New Words：

surgery [ˈsɜrdʒəri] n. 外科手术

Sample Sentences：

He is preparing for the surgery.
His mother had to go to the hospital for surgery.
The condition is serious ; it will need surgery.
His father has just recovered from heart surgery.

condition [kən'diʃən] n. 条件；情况
recover [ri'kʌvər] v. 恢复；复原

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