In a short few years, cleaning robots have become household helpers, and homeowners no longer need to bend over to clean the floor; instead they can just press a button and let the robot do the work!
短短幾年，清潔機器人已成為家庭好幫手，主人再也不用彎下腰來清掃地板，只要按下按鈕，請出機器人，上工囉！