英文關鍵字
attractive
back
backlit
backpack
bag
beautiful
boy
breaktime
casual
caucasian
childhood
children
classmates
confidence
confident
couple
cute
development
education
elementary
elementaryschool
energy
expression
female
friendly
friends
friendship
girl
hands
happy
kids
outdoors
pair
preteens
primaryschool
pupils
recess
school
schoolboy
schoolchildren
schoolgirl
schoolkids
schooluniform
smiling
students
twopeople
uniform
waving
young
youth