The experiment into the effect of weightlessness on reptiles' sexual reproduction is still continuing.

研究失重状态对壁虎性繁殖能力影响的实验仍在继续。

Space station astronauts exercise two hours every day to fight the effects of weightlessness on their bodies.

空间站宇航员每天会锻炼两个小时来对抗失重对他们身体的影响。

And the stress of spaceflight, combined with the negative effects of weightlessness on muscle and bone, could cause real problems.

然而来自航天的压力，再加上失重对肌肉和骨骼造成的不利影响，会导致严重的问题。

Astronauts on the ISS typically exercise around 2 hours or more every day to counteract the effects of weightlessness on the human body.

国际空间站上的宇航员通常每天锻炼大约 2 小时或更长时间，以抵消失重对人体的影响。