英文關鍵字
american
boy
call
child
childcare
communication
computer
coronavirus
covid19
digital
distance
distant
education
elearning
exam
headphones
home
homework
internet
kid
laptop
learn
learning
leisure
lesson
listening
living
network
notebook
one
online
pandemic
preparation
school
screen
serious
sitting
social
stay
student
study
table
tech
technology
virtual
writing