英文關鍵字
academic
adult
assisting
black
boy
caucasian
cheerful
child
childhood
class
classroom
communication
cute
definition
development
earth
education
elementary
female
geography
girl
globe
happy
high
interacting
kid
knowledge
learn
male
map
primary
pupil
school
schoolboy
schoolchild
schoolgirl
showing
smiling
student
study
studying
talking
teacher
teaching
together
woman