機器
aerial
aeroplane
air
aircraft
alpine
aviation
bay
blade
blades
broadcast
chop
chopper
clear
coverage
craft
emergency
engine
find
flight
fly
helicopter
help
high
land
light
motion
mountain
open
outdoors
peak
pilot
plane
rescue
rotor
search
season
service
services
sky
tourism
transport
transportation
travel
white
winter