英文關鍵字
balls
basin
big
blue
bouncy
childhood
circular
crawl
crawling
elastic
entertainment
excitement
floating
fun
funny
gladness
happy
huge
inflatable
inside
joy
jump
jumping
large
leisure
movement
nobody
outdoor
pastime
play
playing
pleasure
pool
recreation
reflection
rest
rotate
rotating
round
shine
slide
splash
summer
surprise
vacation
walking
wallow
water