英文關鍵字
bacteria
bathroom
bubble
care
clean
cleanliness
closeup
covid19
faucet
finger
foam
hand
health
healthcare
healthy
human
hygiene
hygienic
liquid
man
person
prevention
protection
purity
restroom
routine
sanitary
sink
skin
skincare
soap
splashing
tap
toilet
viruses
wash
washing
water
wet
white