機器
1012
activity
assiduous
boy
class
classroom
college
computer
copier
copy
copying
course
device
digital
education
emotion
equipment
focused
hobby
indoors
interest
knowledge
lab
laser
learning
lesson
library
notes
pastime
person
photocopier
portrait
preteen
research
room
scanner
scanning
school
schoolboy
schooling
selfstudy
skills
student
studying
technologies
tween
user
workbook