operation

The patient is currently recovering in the hospital after a successful five-hour heart operation.

(Chinese) 经过一次成功的五小时心脏手术后，病人目前正在医院康复。

The doctor explained that an operation would be necessary to remove the persistent tumor.

(Chinese) 医生解释说，有必要进行手术以移除那个顽固的肿瘤。

The rescue operation was launched at midnight to save the hikers trapped on the snowy peak.

(Chinese) 营救行动于午夜启动，旨在解救被困在雪峰上的徒步旅行者。

The company decided to close its East Coast operation and focus entirely on international markets.

(Chinese) 公司决定关闭其东海岸的业务，完全专注于国际市场。