英文關鍵字
adult
brushing
business
carpet
chemistry
chore
cleaner
cleaning
colourful
detergent
dirt
dirty
dust
ecosystem
equipment
fabric
flooring
foam
from
handle
high
holding
home
horizontal
housekeeping
housework
hygiene
industry
job
laundry
liquid
males
material
motion
one
ornate
people
person
pressure
removing
rinse
rinsing
rug
scrubbing
slow
soap
sprinkler
stream
technology
unhygienic
wash
washing
water
wet
wool
work