英文關鍵字
activity
adrenalin
air
clouds
courage
danger
drill
extreme
fall
falling
freedom
freefall
fun
height
high
hobbies
jumping
jumpsuit
parachute
parachuting
paratrooper
profession
rotation
shoots
skill
skydiver
skydiving
sport
sportsman
team
terminal
the
three
turning
velocity
videographer