1、Monophagia is a condition where a person only eats one type of food.

只吃一种食物的行为或习惯是指一个人只吃一种类型的食物。

2、Her monophagia for pizza became apparent when she ordered it every time we went out to eat.

她对披萨的单一饮食习惯在我们每次外出就餐时变得明显。