英文關鍵字
action
activity
adult
athlete
athletic
blue
body
breaststroke
bright
cap
caucasian
center
challenge
concentration
confidence
definition
effort
endurance
energy
exercising
health
intensive
motion
motivation
moving
muscular
olympic
people
pool
professional
pursuit
push
race
splash
sport
strength
swim
swimmer
team
top
trainer
training
vitality
water
young