In fact, human visional systems mistakenly take the illus ional movements as real ones.

电影的真实的似动,实际上被人类的视觉系统误认为是真动.

Illus Goggles are standard equipment for alpine journeys, but how can you keep them from breaking in your pack?

护目镜是高山攀登的标配装备，怎样装在背包里才不会被压碎呢？