The researchers calculated that every extra point of body mass index (BMI – your weight in kilograms divided by the square of your height in metres) led to a 1-point drop in the memory test.

研究人员计算出在记忆测试里她们每超过一个身体质量系数（BMI——身高kg/体重m的平方）值，她们的记忆力就下降一个单位。

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The difference between the temperature at the initial boiling point and at the end point, as obtained by the distillation test.

从蒸馏试验所得初馏点与终馏点之间的温度差值。

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