英文關鍵字
child
home
education
thinking
writing
boy
homework
kid
school
schoolboy
indoor
student
childhood
studying
book
young
lesson
desk
sitting
caucasian
notebook
pupil
learning
slow
motion
one
person
closeup
table
pen
elementary
room
reading
knowledge
schoolkid
classroom
teaching
working
schoolchild
thoughtful
concentration
brainstorming
handwriting
house
tracking
shot
concept
contemplation
homeschooling
apartment
face
window