英文關鍵字
aerodrome
air
aircraft
airdrome
airliner
airplane
airport
airscrew
aviation
circling
day
engine
field
flow
green
gyration
hot
human
machine
man
modern
moscow
motion
outdoor
plane
propulsion
pull
ramp
rotate
rotation
runway
russia
sheremetyevo
sky
spins
stairs
technical
thrust
traction
transport
tube
turbine
undercarriage
uniform
vehicle
walk
wavy
wheel
wing
worker