英文關鍵字
activity
backpack
boy
boys
break
child
childhood
children
classmate
concentration
cute
girl
grade
green
ground
happiness
joy
kid
learning
leisure
lifestyle
listening
little
looking
male
outdoor
park
playing
primary
pupil
pupils
recreational
relaxation
school
schoolboy
schoolchild
schoolchildren
schoolgirl
schoolkid
student
studying
sunset
young