英文關鍵字
aeroplane
air
aircraft
airliner
airplane
airport
aviation
business
cabin
civil
cockpit
engine
field
flight
fly
grass
green
ground
jet
light
low
man
modern
outdoor
personal
pilot
plane
private
propeller
runway
sky
small
speed
technology
training
transport
transportation
travel
vehicle
view
white
wing
work
working