英文關鍵字
boy
caucasian
collaborating
college
discussion
education
female
friends
girl
group
learning
male
meeting
student
talking
teen
teenage
teenager
together
university
working
英文關鍵字
boy
caucasian
collaborating
college
discussion
education
female
friends
girl
group
learning
male
meeting
student
talking
teen
teenage
teenager
together
university
working