英文關鍵字
activity
boy
caucasian
chid
child
childhood
children
express
expression
goes
going
happy
holiday
journey
joyful
kid
kids
leisure
look
looks
memory
motion
passenger
platform
portrait
rail
railroad
railway
rest
ride
road
schoolboy
sea
speed
station
summer
thinking
ticket
tourism
tourist
track
train
tram
transport
transportation
travel
traveler
traveling
trip
vacation
vehicle
wagon
way
window