英文關鍵字
robot
window
cleaner
glass
automatic
home
robotic
washer
housework
clean
household
machine
smart
technology
vacuum
electric
equipment
sky
housekeeping
tool
nobody
house
electronic
work
brush
modern
remote
device
summer
sunny
outside
slow
motion
closeup
close
up
no
people
dirty
apartment
indoors
wipe
cleanliness
washing
blue
countryside
dust
furniture
transparent
design
lifestyle
control
tidy