haphephobia

例句：

1. 1. She is afraid of heights and often feels dizzy when standing on a high place.
   她害怕高处，站在高处时经常感到头晕。
2. 2.The fear of heights can be a common reason for people to avoid going to the top of a tall building.
   对高处的恐惧可能是人们避免去高楼顶部的一个常见原因。
3. 3. Some people have acrophobia (acrophobia) which makes them feel uncomfortable or even sick when they look at orimagine themselves in a high position.
   有些人有恐高症，当他们看到或想象自己在高处时会感到不舒服甚至恶心。