目前，美国约20%的成年人被归类为肥胖。

Currently, about 20% of adults in the US are classified as ___obese.

久坐的生活方式和不良营养常常导致超重或肥胖。

A sedentary lifestyle and poor nutrition often lead to being overweight or ___obese.

医生警告说，如果他不改变饮食，他会变得肥胖。

The doctor warned that if he didn't change his diet, he would become ___obese.