英文關鍵字
10th
9th
adult
backpack
bag
beautiful
book
building
campus
casual
caucasian
college
conservation
diversity
education
face
folder
friends
friendship
girl
grade
group
hanging
happy
high
horizontal
life
lifestyle
male
multicultural
multiethnic
people
person
pupil
school
secondary
sitting
smiling
stairs
steps
student
study
studying
team
teenage
together
university
woman
young