Our school has a robot that cleans the hallway.
我們學校有一個會打掃走廊的機器人。
I built a small robot with my dad for the science fair.
我和爸爸做了一個小機器人參加科展。
The robot helps our teacher carry books.
這台機器人幫老師搬書。
Many robots work in factories to do dangerous jobs.
許多機器人在工廠做危險的工作。