Agoraphobia is an anxiety disorder characterized by anxiety in situations where the sufferer perceives the environment to be dangerous, uncomfortable, or unsafe. 

广场恐惧症是一种焦虑症，具体表现为在特定环境下感到危险、不适或不安。

These situations can include wide-open spaces, uncontrollable social situations, unfamiliar places, shopping malls, airports, and bridges. 

这些环境包括露天场所、不受控的社交环境、陌生的地点、大型购物中心、机场和桥梁等。