英文關鍵字
adolescent
apps
attention
bokeh
classmate
classroom
communication
computer
connection
course
education
effect
elearning
floor
focus
friend
highschool
information
internet
laptop
learning
lecture
lesson
light
listening
natural
people
portrait
project
pupil
pupils
research
school
science
secondary
sit
students
study
studying
teacher
teaching
teamwork
technology
using
wall
while
window
wireless
young