That service made it "the first United States international air service in scheduledoperation, " according to the historic sign marking the spot.
这项服务使它成为“美国第一家有固定航程的国际航空服务公司”。
2
I've scheduled you for a small operation.
我给你安排了一台小手术。
3
This will require a huge overnight operation to shift planes and equipment from the existing Don Muang airport, which will have to close to scheduled flights.