失重的英文怎么说?
<1>失重的英文怎么说?1> Weightlessness, or Zero-G, is a strange experience that causes a temporary loss of gravity sensation. It can be felt during freefall, in microgravity environments or while floating in a space vehicle. It can evoke different feelings depending on the person, from a dreamlike euphoria to panic and vertigo. There is nothing like the sensation of true weightlessness. On Earth, gravity helps us maintain our orientation, letting us know which direction is up and which is down. When in zero-g, though, all sense of gravity disappears, leading some to feel disorientated. The lack of gravity can feel both freeing and a little unsettling. 您可能还想了解: 龘笔顺_龘笔画多少 靐笔顺_靐笔画多少 (zest造句大全)zest什么意思|zest用法和短句 Many astronauts compare the feeling of weightlessness to floating in a pool or on a lake. This feeling is caused by the fluid-like environment of a spacecraft, where objects, including humans, can move with minimal force. It is important to note that zero-g is not freefall: no matter how long you are in zero-g, you will never hit the ground. In space, all objects remain in orbit, circling around the Earth or another planet. Weightlessness can also cause some physical changes in the human body. After all, there is no pressure on the body pushing it down and supporting the weight. This can cause muscles, bones and blood vessels to change shape, leading to a decrease in strength and increased moments of fatigue. Longer periods of weightlessness can cause health problems such as bone density loss, decreased cardiovascular fitness and disorientation. Despite the difficulties and dangers of weightlessness, many astronauts consider it an experience of a lifetime. Without gravity to bother them, astronauts can float, spin and somersault without worrying about the consequences. Free from the gravity of the planet, astronauts can experience a strange sensation of liberation, as if they are a bird in the sky with no limits and no boundaries. Overall, weightlessness is an experience like no other. The feeling of being released from the bonds of gravity is unparalleled, and the view of the universe from the perspective of a zero-g environment is unbeatable. Though it can cause issues with the human body, astronauts agree that the sensation of weightlessness is well worth the risks. |
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