墙上的大镜子制造出房间大得多的错觉。

The large mirror on the wall creates the ___illusion of a much bigger room.

这栋建筑对窗户和光线的巧妙运用给人一种广阔开放空间的错觉。

The clever use of windows and light in the building gives an ___illusion of vast, open space.

沙漠中的海市蜃楼是一种自然的视觉幻象，可以迷惑干渴的旅人。

A mirage in the desert is a natural optical ___illusion that can trick thirsty travelers.