英文關鍵字
boredom
boring
boy
break
call
calling
cell
cellphone
college
communication
connection
conversation
desk
device
doing
education
exam
gadget
guy
home
homework
human
kid
learning
male
man
mobile
modern
notebook
phone
pupil
school
schoolboy
sitting
smart
smartphone
speaking
student
talking
technology
teen
teenage
teenager
telephone
university
urban
using
wireless
young
youth