英文關鍵字
area
bathroom
bodycare
brush
care
child
clean
cleanness
close
closeup
dental
drop
faucet
finger
flow
flowing
girl
hand
hands
health
hygiene
kid
liquid
oral
preventive
protection
pure
purify
purity
rinse
run
sink
spatter
splashing
stream
tap
tooth
toothbrush
wash
washing
washroom
water
wet
young