It would provide information on the controls needed in the near weightless environment of lower space.

VOA: special.2010.07.07

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

It's wrong to think that you feel weightless because you escaped the pull of gravity.

但是要是你认为失重,就是不受重力那就大错特错了

耶鲁公开课 - 基础物理课程节选

Their weightless-looking structures were mostly made of glass and metal.

VOA: special.2009.12.13

You don't feel any weight because your weight is the opposition you get to falling through the floor; but if the floor is giving way and you're just falling freely, you feel weightless.

你不会感到重力,是因为你的重力在阻碍你穿过地板,如果没有地板,你自由下落,也感觉不到重力

耶鲁公开课 - 基础物理课程节选

He said being weightless was not a problem.

VOA: special.2009.06.17