劍橋詞典abbreviation for body mass index : a measurement of someone's weight in relation to their height 體重指數(shù)（body mass index 的縮寫(xiě)） Adults who have a BMI of 30 or higher are defined as obese . 體重指數(shù)達(dá)到或超過(guò)30的成年人被定義為肥胖。 返回 BMI