C1 noun /həˌluː.sɪˈneɪ.ʃən/
Hallucination
幻觉; 看到不存在的事物
Meaning
an experience involving the apparent perception of something not present; a false or distorted perception
Example
The patient experienced visual hallucinations as a side effect of the medication.
病人在服用药物时经历了视觉幻觉。