英文關鍵字
antibacterial
background
bacteria
care
caucasian
clean
cleanliness
cleansing
close
concept
coronavirus
countryside
covid19
day
disease
environment
farmland
fence
flow
flowing
fresh
hand
hands
health
healthy
her
hygiene
lifestyle
liquid
natural
nature
outdoo
outdoor
people
person
protection
sanitary
soap
splash
spray
summer
sunrise
tap
thorough
thoroughly
transparent
treatment
virus
wall
wash
washbasin
washes
water
wet
woman