英文關鍵字
bacteria
bath
bathroom
bleach
bucket
cafe
cdc
clean
cleaner
cleaners
cleaning
cleans
cloth
coronavirus
covid
covid19
crisis
dirt
dirty
germs
health
hospital
hotel
hygiene
kitchen
mop
mopping
mops
pandemic
pool
public
restaurant
safety
scrub
soap
soapy
sponge
sterile
sterilize
surface
swimming
virus
washes
washing
wet
who
wipe
wipes
wiping
workplace