英文關鍵字
window
robot
cleaner
machine
automatic
closeup
glass
smart
nobody
home
clean
tool
electric
housework
robotic
device
household
washing
equipment
housekeeping
outside
cleaning
indoors
domestic
apartment
brush
remote
service
technology
house
work
dirty
help
automation
round
appliance
transparent
building
cleanliness
modern
electronic
control
washer
future
hygiene
exterior