英文關鍵字
adorable
autumn
back
backpack
blonde
building
caucasian
child
childhood
children
class
classmates
cute
day
education
educational
elementary
friends
friendship
girl
going
happiness
happy
kids
knowledge
learning
lessons
lifestyles
little
outdoor
outdoors
pupil
pupils
rear
school
schoolchild
schoolchildren
schoolgirl
student
study
studying
teenager
three
together
walking
young
youth