phobia
n. 恐惧（症）
复数 phobias
例句
He has a phobia about flying.
他对飞行有恐惧症。
《牛津词典》
The man had a phobia about flying.
这个男人有飞行恐惧症。
《柯林斯英汉双解大词典》
How is social phobia treated?
如何才能治愈社交恐惧症？
