求翻译In America, more than a third of the adult population is now obese (obesity being defined as hIn America, more than a third of the adult population is now obese (obesity being defined as having a body-mass index more than 30). This is nearly
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求翻译In America, more than a third of the adult population is now obese (obesity being defined as hIn America, more than a third of the adult population is now obese (obesity being defined as having a body-mass index more than 30). This is nearly
求翻译In America, more than a third of the adult population is now obese (obesity being defined as h
In America, more than a third of the adult population is now obese (obesity being defined as having a body-mass index more than 30). This is nearly three times as many as in 1960, and half as many again as in 1990.
But the increase has been greatest among those known as the morbidly obese—that is to say those with a BMI of more than 40. As a proportion of the population they have increased in America by more than six times since 1960, and three times since 1990. They are now about 6% of adults.
求翻译In America, more than a third of the adult population is now obese (obesity being defined as hIn America, more than a third of the adult population is now obese (obesity being defined as having a body-mass index more than 30). This is nearly
在美国,超过三分之一的成年人是胖子（肥胖被定义为在题型指标超过30的人）.这几乎是1960年的三倍,是1990年的1.5倍.
但是在那些病态肥胖者中,这个增长还是伟大的---这是指那些体形指标超过40的人.作为人口的一部分,他们（病态肥胖者）的数量自1960年以来增长了6倍,比1990年增长了3被.他们占成年人的6%.