英文關鍵字
app
book
child
children
computer
desk
distance
draw
education
elementary
focused
girl
headphones
home
homeschooled
homework
indoor
internet
kid
knowledge
laptop
learn
lesson
little
math
online
pen
person
preschool
primary
pupil
room
school
science
smart
social
student
study
textbook
watching
workplace
write
young
youth