operations 是 operation 的複數operationKK [ˏɑpɚˋeʃən] /ˌɑpɚˈeɪʃən/名詞1手術醫學She needs an operation on her left knee next month.她下個月左膝需要動手術。2行動、任務The rescue operation lasted three days in freezing weather.這場救援行動在酷寒天氣中持續了三天。3運作、運轉The new safety rules came into operation last week.新的安全規定上週開始生效運作。4業務、企業、營運They run a small farming operation in the south.他們在南部經營一家小型農業事業。5操作、使用The manual explains the operation of the machine step by step.手冊逐步說明這台機器的操作方式。顯示全部 6 個義項名詞6運算數學、電腦This program performs millions of operations every second.這個程式每秒能執行數百萬次運算。