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