英文關鍵字
answer
appearance
boys
caucasian
childhood
class
classroom
cute
desk
discipline
education
elementary
enthusiasm
excitement
girls
group
hand
happy
indoors
kid
learn
learner
lesson
lifestyle
listen
looking
loving
motivation
people
person
portrait
question
raised
school
schoolchildren
schoolgirl
secondary
sitting
smiling
student
students
study
studying
teach
teacher
textbook
woman
working
young
youth