/hə ˌlu: sɪ 'neɪ ʃən/
A hallucination is a profound distortion in a person's perception of reality, typically accompanied by a powerful sense of reality. A hallucination may be a sensory experience in which a person can see, hear, smell, taste, or feel something that is not there.

[ 本帖最后由 DejaVu26 于 2009-8-22 12:30 AM 编辑 ]