英文關鍵字
adult
caucasian
child
childhood
closeup
cute
dissatisfied
educate
educating
education
elementary
explain
explaining
family
female
girl
help
helping
homework
indoors
intelligent
kid
learn
learner
learning
lesson
mistake
nice
people
ponytail
portrait
primary
pupil
school
schoolchild
schoolgirl
schoolkid
smart
student
study
studying
task
teach
teacher
teaching
tutor
tutoring
two
woman
young