grav

简明释义

英[ɡræv]美[ɡræv]

n. 格拉夫（加速度单位，等于自由落体加速度，即9.80665米/平方秒，略作 G）

英英释义

单词用法

同义词

反义词

例句

1.Grav Chute Insertion: embarked squads can deep strike over any point the Valkyrie moves over in its Movement phase, taking dangerous terrain tests as they land.

跳伞的单位可以在移动阶段任何时候降落，落地时必须掷危险地形测试。

2.Grav Chute Insertion: embarked squads can deep strike over any point the Valkyrie moves over in its Movement phase, taking dangerous terrain tests as they land.

跳伞的单位可以在移动阶段任何时候降落，落地时必须掷危险地形测试。

3.They both fall in this falling grav... in this falling elevator.

他们同时处在。，下落的电梯中。

4.The scientist explained how the force of gravitation affects the movement of planets.

科学家解释了引力如何影响行星的运动。

5.In physics class, we learned that gravity pulls objects towards the Earth.

在物理课上，我们学习了重力将物体拉向地球。

6.Astronauts experience weightlessness because they are in a state of free fall due to gravity.

宇航员经历失重，因为他们处于由于引力导致的自由落体状态。

7.The concept of gravitational waves was first predicted by Einstein.

引力波的概念最早是由爱因斯坦预测的。

8.We can observe the effects of gravitation when an apple falls from a tree.

当苹果从树上掉下来时，我们可以观察到引力的影响。

作文

The concept of gravity is fundamental to our understanding of the universe. Gravity is the force that pulls objects toward one another, and it is the reason why we stay grounded on Earth instead of floating into space. Without gravity, life as we know it would not exist. The strength of gravity depends on two factors: the mass of the objects involved and the distance between them. This principle was famously articulated by Sir Isaac Newton in the 17th century, who described gravity as an attractive force between masses. In everyday life, we experience the effects of gravity constantly. When we drop a ball, it falls to the ground because of gravity. Similarly, when we jump, we can feel the pull of gravity bringing us back down. This force is not just limited to Earth; it exists throughout the universe. For instance, the gravitational pull of the Moon affects the tides in our oceans. The interaction of gravity between the Earth and the Moon is a perfect example of how this force operates on a cosmic scale. Moreover, gravity plays a crucial role in the formation of celestial bodies. Stars, planets, and galaxies are all formed through the process of gravitational attraction. When a cloud of gas and dust in space begins to collapse under its own gravity, it can eventually form a star. The gravitational forces at play in these processes are immense, showcasing the power and influence of gravity in shaping the universe. Interestingly, our understanding of gravity has evolved over time. Albert Einstein's theory of general relativity revolutionized our perception of gravity in the early 20th century. He proposed that gravity is not merely a force but a curvature of spacetime caused by mass. According to this theory, massive objects like planets and stars warp the fabric of spacetime around them, causing other objects to move along curved paths. This groundbreaking idea has been confirmed through numerous experiments and observations, further deepening our comprehension of gravity. In conclusion, gravity is an essential force that influences every aspect of our lives and the universe at large. From keeping us anchored to the Earth to governing the movements of celestial bodies, gravity is a powerful and ever-present force. Understanding gravity not only enhances our knowledge of physics but also enriches our appreciation for the intricate workings of the cosmos. As we continue to explore the mysteries of the universe, the role of gravity will undoubtedly remain a central theme in our quest for knowledge.

重力的概念是我们理解宇宙的基础。gravity是将物体相互吸引的力量，它是我们为什么能够在地球上站稳而不漂浮到太空的原因。如果没有gravity，生活将无法存在。gravity的强度取决于两个因素：相关物体的质量和它们之间的距离。这个原理在17世纪由艾萨克·牛顿爵士提出，他描述了gravity作为质量之间的吸引力。 在日常生活中，我们不断体验到gravity的影响。当我们扔一个球时，它因为gravity而落到地面。同样，当我们跳起来时，我们能感受到gravity把我们拉回地面。这种力量不仅限于地球；它在整个宇宙中都存在。例如，月球的gravitational pull影响着我们海洋的潮汐。地球与月球之间的gravity相互作用是这一力量在宇宙尺度上运作的完美例证。 此外，gravity在天体形成中起着至关重要的作用。恒星、行星和星系都是通过gravitational吸引的过程形成的。当太空中的气体和尘埃云开始因自身的gravity而坍缩时，它最终可以形成一颗恒星。这些过程中的gravity力量是巨大的，展示了gravity在塑造宇宙中的力量和影响。 有趣的是，我们对gravity的理解随着时间的推移而演变。阿尔伯特·爱因斯坦在20世纪初提出的广义相对论彻底改变了我们对gravity的看法。他提出，gravity不仅仅是一种力量，而是由质量引起的时空曲率。根据这个理论，像行星和恒星这样的大质量物体会扭曲它们周围的时空结构，使其他物体沿着弯曲的路径移动。这一突破性理念通过无数实验和观察得到了证实，进一步加深了我们对gravity的理解。 总之，gravity是一种影响我们生活各个方面和宇宙整体的重要力量。从将我们固定在地球上到支配天体的运动，gravity是一种强大且无处不在的力量。理解gravity不仅增强了我们对物理学的知识，也丰富了我们对宇宙复杂运作的欣赏。随着我们继续探索宇宙的奥秘，gravity的角色无疑会在我们追求知识的过程中保持中心主题。