英文關鍵字
adventure
air
airborne
aircraft
airshow
army
blue
clouds
design
device
equipment
experience
extreme
figure
flight
fly
jump
jumper
man
management
military
multiple
operation
outdoor
parachute
parachuting
paratrooper
people
power
risk
saboteurs
sky
skydiver
skydiving
soldier
sports
team
technology
training
transport
troops
war
warrior