Obesity is based on the body mass index, a calculation using height and weight.

肥胖是根据身体质量指数，用身高和体重计算出来的结果。

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The body mass index or BMI is a tool used to assess your weight status based on your height.

身体质量指数，简称BMI，是以身高为基础，衡量人体胖瘦程度的工具。

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Obesity is calculated using the Body Mass Index (BMI), a ratio of weight in comparison to height.

肥胖程度是以身体质量指数(BMI)来衡量的，身体质量指数即体重与身高的比。

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They used a system of measurement called the Body Mass Index to define words like obese and overweight.

VOA: special.2009.07.21

So at a given level of overweight out here -twenty-seven, twenty-nine, thirty-one, thirty-three are the body mass index, the women are more likely to get Diabetes then the men are.

在超重情况下,如果体重一定,这里的27,29,31,33,表示体重指数,女性比男性更易患糖尿病

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

First is the body mass index, you're going to see this a lot and you--some of you probably know about it already because it's out there in the popular literature.

首先是体重指数,我们会经常碰到这个概念,你们也许已经知道这个概念了,它经常在科普读物中出现

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

What's more, the body mass index (BMI) of overweight people tended to rise as the gap between their weekday and weekend "time zones" widened.

CNN: Is 'social jet lag' harming your health?

This week, Israel passed a law banning models from advertisements or fashion shows if they measure less than 18.5 on the body mass index (BMI).

BBC: Are thin women the enemy?

GPs will be advised to use the body mass index, where the person's weight in kilograms is divided by his height squared in metres, to get a reading.

BBC: NEWS | Health | GPs urged to help obese get slim