英文關鍵字
1080p
academic
adult
apple
back
boy
career
caucasian
chair
cheerful
child
childhood
chinese
class
classmates
classroom
cute
definition
desk
development
early
education
elementary
female
five
girl
happy
hd
helping
high
highdef
job
knowledge
learn
learning
lesson
male
mixedrace
notebook
notepad
occupation
people
profession
pupil
red
school
schoolchild
sitting
smiling
teacher
teaching
to
woman
writing
young