She had entirely lost her girlish chubbiness.

她完全减掉了少女时期的婴儿肥。

Size really does matter: People tend to choose mates of similar race, education level-and chubbiness.

体型真的很重要：人们倾向于选择同样种族，同样学历，甚至同样胖瘦的伴侣。