英文關鍵字
backpack
bag
boy
building
caucasian
children
class
classmate
day
education
end
finish
friend
funny
girl
group
junior
knowledge
learn
lesson
little
motion
people
positive
primary
pupil
run
school
schoolbag
schoolboy
schoolchildren
schoolgirl
slow
smile
spring
student
study
summer
uniform
vacation
warm
yard
year