body-mass index bmi

基本解释

The universal standard introduced by the WHO for assessing weight is the Body-Mass Index (BMI): one's weight in kilograms divided by the square of one's height in meters.
WHO所引用的衡量体重的常规标准时BMI：就是用一个的体重（千克）除以他的身高（米）的平方。
By controlling for individual and environmental influences on weight, such as income and health, they then measure whether food-price changes affect body-mass index (BMI).
如果不考虑诸如收入和健康这些影响体重的个人和环境因素的话，作者估量出了食品价格变动是否会影响体重指数。
The main associations of body-mass index (BMI) with overall and cause-specific mortality can best be assessed by long-term prospective follow-up of large numbers of people.
获得体重指数（BMI）与整体和病因特异性死亡率之间的主要联系的最好的方法，就是对大数量人群进行的长期前瞻性随访。

By controlling for individual and environmental influences on weight, such as income and health, they then measure whether food-price changes affect body-mass index (BMI).
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Unfortunately, the recent Journal of the American Medical Association publication analyzing life expectancy correlations to one imperfect calculation of relative weight (BMI, the body mass index) distracts readers all-too-eager to cling to its implications that being chubby is actually better.
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