英文關鍵字
action
activity
adrenaline
adventure
aerodynamic
air
airplane
airshow
army
blue
canopy
cloud
clouds
control
danger
design
device
diving
dome
drop
equipment
flight
fly
free
freestyle
glide
gliding
jump
lands
man
military
outdoor
parachute
parachuting
parachutist
paratrooper
plane
silhouette
sky
skydive
skydiver
skydiving
soldier
sport
trooper
war