英文關鍵字
action
activity
adult
american
arm
arms
athlete
background
blue
butterfly
cap
closeup
drop
expertise
float
follow
forward
freestyle
hand
healthy
indoor
male
man
motion
moving
people
person
pool
professional
race
side
slow
slowmo
slowmotion
speed
splash
sport
sportsman
strength
stroke
sunbeam
surface
swim
swimmer
swimming
track
training
view
water