英文關鍵字
adventure
astronaut
astronomy
boy
cardboard
child
childhood
children
clever
cosmonaut
costume
discover
dream
dreamer
earth
explorer
fast
flight
fly
fog
follow
future
galaxy
get
hands
happy
hello
imagination
kid
kindergarten
planet
play
playing
pretend
rocket
runs
school
science
space
spaceman
spaceship
start
study
toy
uniform
young