Helen described life in a weightless environment during her period in space.

海伦描述了她身处太空时失重状态下的生活。

《柯林斯英汉双解大词典》

The heart does not work as hard in a weightless environment as it does in an environment of gravity.

在失重状态时心脏不会像在有重力时那样激烈的跳动。

youdao

Living in a weightless environment does curious things to the body; after all, our entire physiology evolved in the presence of gravity.

在失重的环境下生存会让我们的身体产生奇怪的现象；我们的整个生理机能毕竟还是以重力为前提的。

youdao

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

VOA: special.2010.07.07

The weightless environment provides a unique perspective on physical systems and processes, and is helping researchers to better understand disease and to develop new materials.

BBC: Virgin spaceship aims to be science lab