英文關鍵字
antiseptic
antiviral
bacteria
care
cellphone
clean
cleaner
cleaning
close
cloth
coronavirus
device
digital
dirt
dirty
disease
disinfectant
disinfection
display
domestic
dust
fiber
finger
flu
focus
gadgets
hand
hands
health
hygiene
information
life
micro
mobile
phone
portable
precaution
prevention
protect
protection
protective
sanitizer
screen
selective
smart
smartphone
technology
telephone
touch
touchscreen
virus
wash
washing
when
wipe
working