英文關鍵字
activity
adrenalin
air
courage
danger
drill
extreme
fall
falling
freedom
fun
height
high
hobbies
instructor
jump
jumping
jumpsuit
parachute
parachuting
parachutist
paratrooper
performs
profession
rotation
skill
skydiving
sport
sportsman
student
tandem
terminal
turning
velocity
video
with