英文關鍵字
academic
auditorium
beautiful
care
chemist
chemistry
college
computer
conference
coronavirus
course
covid
device
education
electronics
epidemic
female
girl
hall
hand
health
horizontal
infection
laptop
lecture
man
medical
medicine
modern
pad
portable
portrait
protection
quarantine
room
safety
science
student
symposium
tab
tablet
touch
touchpad
touchscreen
type
university
use
white
wireless