同时因为儿时饮食质量低下导致无法发育到正常身高和体重的人数也在下降。
Fewer people fail to grow to their proper height and weight because of poor childhood diets.
她的身高和体重对于她的年龄来说是正常的。
体重指数是一个以身高与体重为基础计算出的比值，其正常范围通常在18和25之间，超过25为超重，超过30即为肥胖。
BMI is a calculation of height to weight, and the normal range is usually considered to be 18 to 25, with more than 25 considered overweight and above 30 obese.
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