英文關鍵字
active
animation
backdrop
backgrounds
blue
boy
burst
cannonball
caucasian
child
childhood
dive
droplet
enjoyment
exercise
fun
happy
having
healthy
holiday
jump
lake
liquid
loop
loopable
male
medium
motion
nature
pool
recess
ripple
scuba
slow
smiling
splash
summer
summertime
sunlight
swim
swimming
water
wet
year