Zipping down the main hallway, the foot-long (0.3 meter) red robots pivoted this way and that on their three wheels, resembling nothing so much as large insects.

• 一英尺高的红色机器人群快速地沿着主要走廊移动着，它们靠着下面的三轮转脚移动，就像一群大型昆虫。