英文關鍵字
aero
air
aircraft
airport
ambulance
aviation
blade
chop
chopper
copter
day
depart
departure
engine
field
flight
fly
flying
fuselage
heli
helicopter
heliport
helix
help
hover
jet
machine
mountains
outdoor
plane
platform
propeller
rescue
rotate
rotor
sky
small
spin
spinning
survival
takeoff
technology
transport
transportation
turbine