illusion ·noun (APPEARANCE)
Definition: something that is not really as it appears to be Level: C2
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.