| 释义 |
Example sentencescommercial operation COBUILD Collocationscommercial operation banking operation cease operations clean-up operation commercial operation continuing operations covert operations day-to-day operations emergency operation entire operation expand operations ground operation intelligence operation joint operation knee operation launch an operation life-saving operation military operation mining operations minor operation mount an operation need an operation online operation overseas operations perform an operation police operation require an operation resume operations retail operation routine operation salvage operation security operation shoulder operation smuggling operation surgical operations surveillance operation suspend operations trading operations transplant operation undercover operation undergo an operation undertake operations |