英文關鍵字
four
people
child
girl
female
caucasian
mixedrace
animation
bokeh
light
diverse
schoolgirl
yoga
outdoor
class
school
health
education
childhood
learning
digitally
generated
video
student
study
kid
knowledge
classroom
studying
college
university
lesson
learn
little
elementary
book
teacher
digital
young
montage
science
motion
background