英文關鍵字
alone
back
backpack
bag
building
caucasian
change
child
children
class
classmates
covid
cute
day
doors
education
elementary
family
female
fun
girl
happy
home
joy
kid
knapsack
knowledge
lecture
little
online
outdoor
outside
park
people
primary
pupil
rucksack
run
running
school
schoolboy
schoolgirl
smiling
student
students
summer
young
youth