英文關鍵字
autumn
book
boy
call
child
childhood
children
computer
coronavirus
couch
course
distance
doing
education
elementary
exam
facetime
fun
grade
grass
happy
holding
homeschool
homework
internet
kid
laptop
learn
lesson
male
math
online
outside
park
people
primary
remote
school
schoolbag
smile
social
standing
student
study
studying
technology
teen
textbook
watching
writing
young