英文關鍵字
20s
89
adult
age
and
building
bullying
caucasian
child
children
classroom
color
concepts
corridor
cruel
depression
education
elementary
ethnicity
females
girls
group
harassment
horizontal
ideas
image
indoors
industry
issues
learning
lifestyle
mixed
multiethnic
of
people
preadolescent
problem
sadness
school
sitting
social
struggling
student
suportive
teacher
teenage
togetherness
tutor
two
victim
woman
women
working
worried
years