柯林斯詞典body mass index 1. N-SING A person's body mass index is a measurement that represents the relationship between their weight and their height. 體重指數(shù)[醫(yī)學(xué)] ...those with a body mass index of 30 and over. ...那些體重指數(shù)是30或30以上的人。 返回 body-mass index