The heat in the crowded room was so intense that it made her feel faint and dizzy.

### 解释 dizzy 是形容词，意思是"头晕的、眩晕的"，描述一种感觉头昏眼花、失去平衡的状态。这个词来自古英语 dysig（愚蠢的），后来演变为表示眩晕的感觉。