英文關鍵字
background
backpacks
bags
beautiful
boy
brick
brother
caucasian
cheerful
childhood
children
couple
cute
education
family
female
friends
friendship
fun
girl
goodbye
happy
human
kid
leisure
lifestyle
love
male
outdoors
outside
people
person
primary
pupils
salutation
school
schoolboy
schoolchildren
sister
students
teen
teenage
two
walk
wall
white
young
youth