escape velocity

简明释义

逃逸速度

英英释义

例句

1.The concept of escape velocity is crucial for understanding how rockets are designed.

理解火箭设计时，逃逸速度的概念至关重要。

2.If a satellite does not achieve the required escape velocity, it will fall back to Earth.

如果卫星没有达到所需的逃逸速度，它将会掉回地球。

3.Scientists calculate the escape velocity for different celestial bodies to plan space missions.

科学家计算不同天体的逃逸速度以规划太空任务。

4.To leave Earth's atmosphere, a spacecraft must reach an escape velocity of about 11.2 kilometers per second.

要离开地球的气氛，航天器必须达到约11.2公里每秒的逃逸速度。

5.Reaching escape velocity is a significant milestone in any space launch.

达到逃逸速度是任何太空发射中的一个重要里程碑。

作文

In the realm of physics, the term escape velocity refers to the minimum speed needed for an object to break free from the gravitational attraction of a celestial body, such as Earth. This concept is not only crucial for space exploration but also serves as a metaphor in various aspects of life. Understanding escape velocity can help us comprehend how to overcome obstacles and achieve our goals. To illustrate, let’s consider the journey of a spacecraft. When a rocket is launched, it must reach a specific speed—approximately 11.2 kilometers per second for Earth—to escape the planet's gravitational pull. This speed is known as escape velocity and is essential for the rocket to enter orbit or travel into space. If the rocket fails to reach this velocity, it will fall back to Earth, illustrating the importance of momentum and energy in the pursuit of any ambitious objective. Similarly, in our personal lives, we often encounter challenges that require us to reach our own version of escape velocity. For instance, when pursuing higher education or a career change, one may face doubts and fears that act like gravitational forces, holding them back. To break free from these constraints, individuals must gather enough motivation, resources, and determination to propel themselves forward. Just as a rocket needs fuel and engineering precision, people need support systems, skills, and resilience to achieve their aspirations.Moreover, the idea of escape velocity can be applied to emotional and psychological barriers as well. Many individuals struggle with self-doubt or anxiety, which can feel like a heavy weight preventing them from moving forward. To escape these feelings, one might need to develop coping strategies, seek therapy, or engage in self-improvement activities. By building up their mental strength and confidence, they can effectively reach their own escape velocity, allowing them to pursue happiness and fulfillment.In the context of societal progress, escape velocity can symbolize the collective effort required to overcome systemic issues such as poverty, inequality, and injustice. For communities striving for change, reaching escape velocity means mobilizing resources, raising awareness, and fostering collaboration among diverse groups. It requires a shared vision and the willingness to take risks and challenge the status quo. Only then can society break free from the gravitational pull of outdated norms and create a more equitable future.In conclusion, the concept of escape velocity transcends its scientific origins and finds relevance in many facets of life. Whether it is launching a spacecraft into orbit, overcoming personal challenges, or striving for societal change, the principle remains the same: one must gather sufficient energy, motivation, and support to break free from the forces that hold them back. By understanding and applying the idea of escape velocity, we can empower ourselves and others to reach new heights and achieve our dreams.

在物理学领域，术语逃逸速度指的是一个物体摆脱天体（如地球）引力所需的最小速度。这个概念不仅对太空探索至关重要，而且在生活的各个方面也作为一种隐喻。理解逃逸速度可以帮助我们理解如何克服障碍，实现目标。为了说明这一点，让我们考虑航天器的旅程。当火箭发射时，它必须达到一个特定的速度——大约每秒11.2公里，以摆脱地球的引力。这一速度被称为逃逸速度，对于火箭进入轨道或飞往太空至关重要。如果火箭未能达到这一速度，它将会掉回地球，这表明了在追求任何雄心勃勃的目标时，动量和能量的重要性。同样，在我们的个人生活中，我们常常面临需要我们达到自己版本的逃逸速度的挑战。例如，当追求高等教育或职业转变时，人们可能会面临疑虑和恐惧，这些就像重力一样，阻止他们前进。为了打破这些限制，个人必须积聚足够的动力、资源和决心来推动自己向前。就像火箭需要燃料和工程精度一样，人们需要支持系统、技能和韧性来实现他们的愿望。此外，逃逸速度的概念也可以应用于情感和心理障碍。许多人与自我怀疑或焦虑作斗争，这可能感觉像是一个沉重的负担，阻止他们前进。要逃离这些感觉，人们可能需要发展应对策略、寻求治疗或参与自我提升活动。通过增强他们的心理力量和自信，他们可以有效地达到自己的逃逸速度，使他们能够追求幸福和满足。在社会进步的背景下，逃逸速度可以象征克服贫困、不平等和不公正等系统性问题所需的集体努力。对于努力寻求变化的社区来说，达到逃逸速度意味着动员资源、提高意识以及促进不同群体之间的合作。这需要共享愿景，以及冒险和挑战现状的意愿。只有这样，社会才能打破过时规范的引力，创造一个更加公平的未来。总之，逃逸速度的概念超越了其科学起源，在生活的许多方面找到了相关性。无论是将航天器发射到轨道、克服个人挑战，还是为社会变革而努力，这一原则都是相同的：人们必须聚集足够的能量、动力和支持，以摆脱束缚他们的力量。通过理解和应用逃逸速度的理念，我们可以赋予自己和他人力量，达到新的高度，实现我们的梦想。