英文關鍵字
2019ncov
antibacterial
bubble
caucasian
clean
cleaning
cleanliness
cleansing
closeup
corona
coronavirus
covid19
disease
disinfect
flu
foam
hand
healthcare
home
hygiene
kitchen
male
man
medical
palm
pandemic
pouring
prevention
protect
protection
quarantine
rub
sanitary
sanitizer
scrubbing
sink
skin
soap
soapy
splashing
spreading
virus
wash
washbasin
washing
water
wet