英文關鍵字
air
airliner
airplane
airport
blue
budget
clear
cloud
condensation
departure
diagonal
distant
energy
far
fast
flight
flying
holiday
horizon
jet
journey
lane
narrow
plane
power
sky
speeding
stratosphere
striped
sunlight
tilt
tourism
trail
tranquil
travel
traveling
turbine
vacation
vanishing
vehicle
wide