英文關鍵字
african
afro
american
appointment
beautiful
black
caucasian
college
compilation
concept
discussing
education
group
hall
happy
high
hispanic
indoors
international
knowledge
latin
learn
learning
lecture
lecturer
man
many
meeting
montage
multiethnic
multiracial
people
person
school
sitting
smiling
student
study
studying
talking
teacher
team
teen
teenage
teenager
tutor
university
woman
young