But in a small,short person, Skinner says,just 3 kilograms can make the difference between a healthy weight and obesity.

VOA: standard.2010.03.09

So, you will feel weightless for a short time or you'll feel your weight is little.

所以你会短时间的感觉到无重力,或者感到自己变轻了

耶鲁公开课 - 基础物理课程节选

So, you will feel weightless for a short time or you'll feel your weight is little.

所以你会短时间的感觉到无重力,或者感到自己变轻了

耶鲁公开课 - 基础物理课程节选