A BMI between 20-25 in normal, 25-30 is pre-obese and more than 30 is obese.

体重指数在20-25之间为“正常”，在25-30之间为“肥胖前期”，大于30则为“肥胖”。

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Moreover, this is a world in which an estimated 43 million pre-school children are obese or overweight.

此外，世界上的情况是，估计有4300万学龄前儿童有肥胖或者超重现象。

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This is a world in which more than 40 million pre-school children are obese or overweight.

我们的世界，有4000多万肥胖或超重的学龄前儿童。

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Some children are so obese that they suffer from pre-diabetes or even full-fledged type 2 diabetes, which traditionally only has affected adults.

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