英文關鍵字
alcohol
best
bottle
care
causes
cell
cellphone
clean
cleaner
cleaning
closeup
device
digital
dirty
diseases
disinfection
dust
electronic
filthy
finger
fingerprint
gadget
germs
get
greece
hand
health
hold
home
hygiene
internet
mobile
modern
people
person
phone
properly
protect
rid
sanitize
screen
sick
smartphone
spread
stop
table
technology
tips
touch
virus
way
white
wipe
wipes
woman