英文關鍵字
autumn
back
backpack
bag
beginning
boy
briefcase
caucasian
child
childhood
children
congratulate
cute
day
development
education
elementary
emotions
enrollment
family
first
friendship
grade
grader
happy
hold
holiday
kid
knowledge
learn
little
mother
outdoor
people
person
portrait
preschool
primary
satchel
school
schoolboy
schoolchild
shirt
smiling
son
summer
teacher
walk
walking