英文關鍵字
antibacterial
bacteria
basin
bathroom
body
care
clean
cleanliness
cleanse
close
coronavirus
covid19
faucet
flu
foam
hand
hands
health
healthy
his
hot
hygiene
infection
influenza
liquid
man
microbe
people
personal
prevent
prevention
protection
sink
skin
soap
soapy
tap
thoroughly
using
virus
wash
washes
washing
washroom
water
wet