英文關鍵字
pupils
kids
backpack
staying
together
boy
girl
going
elementary
school
educational
lesson
characters
children
schoolboy
schoolgirl
studying
people
friends
learn
study
education
schoolchildren
childhood
dressed
friendship
junior
knowledge
relationship
togetherness
uniform
learner
person
schooling
schoolkid
small
friendly
pretty
youth
lifestyle
joyful
company
classroom
lecture
male
female
motion
graphic
animation
hd