英文關鍵字
alcohol
antibacterial
bacteria
bathroom
bubble
care
caucasian
clean
cleanliness
cleanse
cleansing
doctor
faucet
female
finger
flu
foam
hand
hands
health
healthy
home
hospital
human
hygiene
hygienic
infection
liquid
man
medical
medicine
nails
people
person
personal
prevent
prevention
protection
sanitizer
sink
skin
soap
surgeon
tap
virus
wash
washing
washroom
waste
water
wet