英文關鍵字
air
aircraft
airline
airplane
airport
approach
arrival
aviation
blue
building
business
commercial
communication
control
controller
depart
departure
destination
flight
fly
flying
guidance
high
industry
information
international
jet
landing
observation
outdoor
plane
radar
runway
safety
security
signal
sky
structure
takeoff
tall
technology
terminal
tourism
tower
traffic
transport
transportation
travel
vacation
window