英文關鍵字
20s
african
american
black
boy
caucasian
class
classroom
college
cultural
desk
discussing
discussion
dolly
education
encouraging
ethnic
female
filipino
girl
group
helping
high
inspiring
learning
lesson
male
medium
motion
multi
old
people
person
pupil
school
shot
sitting
slow
student
studying
talking
teacher
teaching
teen
teenage
teenager
together
tutor
twenties
woman
women
years