英文關鍵字
air
aircraft
airplane
airport
aviation
plane
flight
transport
sport
fly
transportation
wing
propeller
technology
engine
sky
airfield
pilot
travel
landing
runway
jet
aeroplane
clouds
vehicle
freedom
private
sunset
journey
takeoff
light
aerial
old
cloud
day
small
high
cockpit
aerodrome
biplane
field
flying
machine