mental phantasma
illusory phantasma
visual phantasma
A: Did you see that strange light in the woods?
A：你看到森林里那道奇怪的光了吗？
B: It was merely a phantasma caused by the thick mist.
B：那仅仅是由于浓雾造成的幻象罢了。
1) 幻象
2) 幻影
3) 精神幻觉
1. 幻象，幻影
noun
1. An illusion, an apparition, or a mental image that appears real but is not.
Synonym: illusion, phantom, apparition