機器
aerial
aid
air
aircraft
aviation
bell
blade
blades
blue
business
carry
chop
chopper
copter
emergency
engine
fast
flight
fly
flying
fuselage
helicopter
help
high
hover
lift
light
medical
motion
passenger
pilot
plane
propeller
rescue
rotate
rotor
search
sky
speed
spin
technology
tourism
transport
transportation
travel
turbine
up
vehicle
white