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