英文關鍵字
backpack
bag
boys
building
caucasian
celebrating
child
childhood
children
education
elementary
end
energetic
friends
front
fun
group
happy
holiday
knowledge
learning
outdoors
outside
part
people
person
primarypupil
run
school
schoolchildren
space
students
time
uniform
vacation
joy
schoolyard
completion
prank
gladness
schoolgirl
schoolboy
four
book
textbook
conversation