英文關鍵字
boy
child
children
class
communication
computer
connection
cyberspace
desk
device
distance
education
elearning
elementary
headphone
headset
home
homeschool
indoor
internet
kid
knowledge
learning
lesson
listen
networking
notebook
online
person
programming
pupil
quarantine
remote
room
school
schoolboy
screen
sit
student
study
tablet
technology
using
video
virtual
watch