英文關鍵字
1080p
20s
about
academic
adult
books
campus
caucasian
cheerful
college
computer
definition
education
foot
gesture
gesturing
happy
hd
headset
high
highdef
higher
his
holding
knowledge
laptop
library
listening
male
man
mobile
music
not
notebook
on
one
person
phone
school
screen
serious
showing
smartphone
smiling
student
study
table
technology
touching
university
using
wireless
yellow
young