英文關鍵字
bacteria
bathroom
bubble
care
clean
cleanliness
cleanly
cleanness
cleanse
close
closeup
crane
disinfect
female
finger
flow
flu
foam
hand
health
healthy
home
hygiene
hygienic
indoors
infection
liquid
microbes
one
palms
people
person
personal
prevent
prevention
purely
sanitary
skin
soap
soapy
splashing
stream
tap
wash
washbasin
washroom
water
wet
woman