n.失重；无重状态

In space, astronauts experience weightlessness as they float freely in the zero-gravity environment.
在太空中，宇航员在零重力环境中体验失重，可以自由飘浮。
The thrill of weightlessness is one of the most sought-after sensations for space tourists.
失重的刺激是太空游客最渴望体验的感觉之一。
Astronauts train for long periods to adapt to the disorienting effects of weightlessness.
宇航员要经过长时间训练来适应失重带来的眩晕感。
Floating in a zero-gravity chamber, they perform scientific experiments without the hindrance of Earth's gravity.
在零重力舱中，他们可以在没有地球引力干扰的情况下进行科学实验。
The magician levitated effortlessly, creating an illusion of weightlessness for the audience.
魔术师轻松地悬浮起来，给观众营造出失重的幻觉。
The magician's trick relied on the principles of weightlessness and misdirection to fool the spectators.
魔术师的把戏利用了失重和误导原理来欺骗观众。
The astronaut's daily routine includes exercising to maintain muscle mass in the face of constant weightlessness.
航天员的日程包括锻炼以保持肌肉质量，应对持续的失重状态。
The zero-gravity environment can lead to a temporary loss of bone density due to the lack of mechanical stress from weightlessness.
在失重环境中，由于没有来自体重的压力，可能会暂时导致骨密度下降。
The sensation of weightlessness felt during freefall before opening a parachute is both exhilarating and terrifying.
在打开降落伞之前的自由落体过程中感受到的失重既令人兴奋又令人恐惧。
In their childhood dreams, many astronauts visualize floating in space, experiencing the bliss of weightlessness.
许多宇航员在童年梦中都曾幻想在太空中漂浮，享受着失重带来的愉悦。