n.肥胖；肥大
Obesity is a problem for many people in western countries. 西方國家很多人都有過度肥胖的問題。
Obesity is a major risk factor for sleep apnea. 肥胖是呼吸暫停的主要危險因素。
He is too self-conscious about his obesity. 他太在意自己的肥胖。
減肥
