英文關鍵字
alcohol
antibacterial
antiseptic
bacteria
bacterial
bacterium
bathroom
bodycare
children
clean
cleaning
cleanness
concepts
contagion
corona
educational
effective
epidemic
fingers
foam
germ
germs
hand
hands
health
healthy
hospital
hygiene
hygienic
infection
kid
liquid
manual
medical
pandemic
plague
prevent
prevention
preventive
protect
protection
purity
sanitary
shampoo
soap
toilet
virus
wash
washing
water