英文關鍵字
acrobatic
acrobatics
activity
athlete
athletic
backflip
balance
boxer
cartwheel
caucasian
coordination
couch
effort
exercise
fighter
fitness
floor
gym
instructor
jump
make
male
man
mat
men
muscle
olympics
people
physical
power
prepare
professional
ring
ringside
salto
slow
sport
sportsman
sportswear
strong
summersault
together
trainer
training
tumble
tumbling
work
workout
young