英文關鍵字
antibacterial
bacteria
bubble
care
clean
cleanliness
cleansing
closeup
concept
coronavirus
dirty
disinfect
disinfectant
finger
foam
foamy
germs
health
healthy
hygiene
hygienic
infection
isolated
lather
life
liquid
palm
personal
prevention
procedure
protect
protection
protective
purity
rinse
sanitary
skin
soap
soapy
sterile
water
wet