英文關鍵字
1080p
20s
30s
academic
adult
and
biochemist
biology
campus
caucasian
chemist
chemistry
cold
college
communication
computer
conversation
definition
digital
discussion
education
experiment
female
hd
healthcare
high
highdef
higher
interacting
knowledge
lab
laboratory
male
man
medical
medicine
mid
pc
people
protective
refrigerator
research
school
science
scientific
scientist
scrolling
speaking
student
suit
tablet
talking
team
technology
together
touching
touchscreen
two
university
using
woman
young