1·The astronauts are conducting a series of experiments to learn more about how the body adapts to weightlessness.
那些宇航员正在进行一系列实验，以便更多地了解人体如何适应失重状态。
—— 《柯林斯英汉双解大词典》
2·Uniformly, these people experienced weightlessness and the sensation that their bodies were being stretched lengthwise.
无一例外地，这些人都体验到了失重和身体被纵向拉伸的感觉。
3·Some of the equipment measures the effects of space conditions, such as apparent weightlessness, on biological specimens — including the crew.
其中一些设备用来测试太空环境(如明显的失重)对人体的影响——其生物样本包括乘组人员。
4·At this altitude, the five passengers onboard could experience a few minutes of weightlessness before strapping themselves back in their seats for the return flight to the ground.
在这个高度上，五位搭载乘客可以在飞船返回地面离开座椅的几分钟内体会一下失重的感觉。
5·He came closest to visiting alien worlds through his love of deep-sea diving, its weightlessness and strange life forms.
他热爱深海潜水，水下的失重状态和千奇百怪的生命体给了他最接近漫游外太空的感觉。
1·A swimming pool can simulate the weightlessness of the ISS but not the moon's gravity-one sixth of Earth's.
游泳池能模拟国际空间站的失重状态，但不是月球的重力——地球的六分之一。
2·"Of course, we're in weightlessness, so a shower head with water dripping on top of your head would not work," Ms. Payette says.
“当然，我们处在失重状态，所以，你头顶的淋浴头是没有用处的，”帕耶特女士说。
3·Noah Fulmor and Erin Finnegan will exchange vows on a specially-adapted plane, which performs 15 swoops from 11km to 7.3km to allow 30 seconds of weightlessness.
届时，新郎诺赫和新娘艾琳将乘坐一架经特殊改装的飞机飞到11公里高空，再作15次俯冲到7.3公里高度，从而感受30秒失重状态，并在此间宣读结婚誓言。
4·The problem is that in weightlessness, fluids can blob up and stick to surfaces, while solids float in the air.
问题是，在失重状态下液体变成水珠浮于表面，而固体会漂浮在空中。
5·Astronauts in flight must adjust to weightlessness.
飞行中的宇航员必须适应失重状态。