英文關鍵字
and
backpack
boy
building
camera
campus
caucasian
class
college
confident
corridor
education
front
hall
happy
head
high
indoors
lockdown
lockers
looking
male
medium
motion
old
one
people
person
portrait
positive
pupil
rucksack
school
shot
shoulders
slow
smiling
standing
student
teen
teenage
teenager
teenagers
view
walking
years