英文關鍵字
adult
attractive
background
book
books
campus
casual
caucasian
chair
cheerful
college
copy
education
exam
handsome
happy
hispanic
holding
intelligence
learn
learning
male
man
notebook
one
only
outdoor
outdoors
park
people
person
river
school
sitting
smile
smiling
space
student
students
study
studying
sunlight
sunrise
sunset
textbook
university
view
writing
yellow
young