这是一款医疗手术刀的概念宣传视频，手术刀像一艘飞驰的宇宙飞船一样，在腔体宇宙里飞速穿行，并精准的到达目的地完成任务。

This is a concept video for a medical scalpel. Like a speeding spaceship, the scalpel zips through the cavity universe and accurately arrives at its destination to complete its mission.