zero gravity
简明释义
失重
英英释义
A condition in which the force of gravity is very weak or effectively absent, often experienced in space. | 一种重力非常弱或实际上不存在的状态,通常在太空中经历。 |
例句
1.In zero gravity 零重力, liquids behave very differently than on Earth.
在零重力中,液体的行为与地球上非常不同。
2.Astronauts experience zero gravity 零重力 while in orbit around the Earth.
宇航员在地球轨道上经历零重力。
3.During the flight, we simulated zero gravity 零重力 to prepare for the mission.
在飞行过程中,我们模拟了零重力以为任务做准备。
4.The zero gravity 零重力 chamber is used for training astronauts.
这个零重力舱用于训练宇航员。
5.The zero gravity 零重力 environment allows for unique scientific experiments.
在零重力环境下,可以进行独特的科学实验。
作文
The concept of zero gravity refers to a state where the force of gravity is effectively absent, creating an environment where objects can float freely. This phenomenon is most commonly experienced in space, where astronauts conduct their research and experiments in conditions that mimic zero gravity or microgravity. The absence of gravitational pull allows them to explore the effects of weightlessness on the human body and various materials. In a zero gravity environment, everyday activities become significantly more challenging. For instance, drinking water from a bottle requires special design considerations; otherwise, the liquid would simply float away into the cabin. Eating food also poses its own set of difficulties, as crumbs can drift around and potentially damage sensitive equipment or pose risks to the crew's health. The experience of zero gravity can be exhilarating, yet it also requires astronauts to undergo extensive training. They must learn how to move and work in an environment where their bodies are not subject to the usual forces they encounter on Earth. This includes understanding how to stabilize themselves, how to manipulate tools, and how to perform tasks efficiently without the aid of gravity. Beyond its practical applications in space exploration, zero gravity has also captured the imagination of many. Movies and documentaries often depict this fascinating environment, showcasing the beauty of floating objects and the surreal experience of moving without the constraints of gravity. It inspires curiosity about what life might be like beyond our planet and encourages future generations to dream big. Additionally, researchers are studying the long-term effects of zero gravity on the human body. Prolonged exposure to weightlessness can lead to muscle atrophy and bone density loss, which are significant concerns for astronauts on extended missions. Understanding these effects is crucial for planning future journeys to Mars and beyond, where astronauts may spend years in space. In conclusion, zero gravity is a captivating concept that goes beyond just the absence of weight. It represents a unique environment that challenges our understanding of physics, biology, and engineering. As we continue to explore the cosmos, the study of zero gravity will play a vital role in ensuring the safety and success of human endeavors in space. Whether it’s through scientific research or inspiring stories, the allure of zero gravity will undoubtedly continue to fascinate us for years to come.
“零重力”这一概念指的是一种重力几乎不存在的状态,创造出一个物体可以自由漂浮的环境。这一现象在太空中最为常见,宇航员在这种条件下进行研究和实验,模拟“零重力”或微重力的环境。缺乏重力的拉力使他们能够探索失重对人体和各种材料的影响。在“零重力”环境中,日常活动变得极具挑战性。例如,从瓶子里喝水需要特别的设计考虑;否则,液体会漂浮到舱内的任何地方。吃东西也面临着一系列困难,因为食物屑可能会四处漂浮,潜在地损坏敏感设备或对船员的健康构成风险。体验“零重力”可能令人兴奋,但这也要求宇航员接受广泛的训练。他们必须学习如何在一个不受通常力量影响的环境中移动和工作。这包括理解如何稳定自己,如何操作工具,以及如何在没有重力的情况下高效地完成任务。除了在太空探索中的实际应用外,“零重力”也吸引了许多人的想象。电影和纪录片常常描绘这一迷人的环境,展示漂浮物体的美丽和无重力运动的超现实体验。它激发了人们对地球以外生活的好奇心,并鼓励未来的几代人追求伟大的梦想。此外,研究人员正在研究长期暴露于“零重力”对人体的影响。长时间的失重暴露可能导致肌肉萎缩和骨密度降低,这对于在长期任务中的宇航员来说是一个重大关切。理解这些影响对于规划未来前往火星及更远地方的旅行至关重要,因为宇航员可能会在太空中待上数年。总之,“零重力”是一个迷人的概念,超越了简单的无重状态。它代表了一种独特的环境,挑战着我们对物理学、生物学和工程学的理解。随着我们继续探索宇宙,“零重力”的研究将在确保人类在太空中努力的安全与成功中发挥至关重要的作用。无论是通过科学研究还是激励故事,“零重力”的魅力无疑将继续吸引我们多年。
相关单词