英文關鍵字
5yearold
6yearold
7yearold
adult
american
boy
boys
caucasian
child
childhood
children
class
classroom
color
cute
education
elementary
female
geography
girl
girls
globe
group
happy
indoors
kids
kindergarten
learning
lesson
listening
male
map
occupation
pointing
primary
pupil
school
sitting
smiling
students
teacher
teaching
together
travel
woman
young