elliptical

简明释义

英[ɪˈlɪptɪkl]美[ɪˈlɪptɪkl]

adj. 椭圆的；省略的，隐晦的

英英释义

单词用法

同义词

反义词

例句

1.The Moon's orbit is elliptical, meaning it does not follow a circular but rather an oval path.

月球的轨道是椭圆的，因此，就意味着它不是以正圆的方式环绕地球公转，而是椭圆。

2.Comets formed in circular orbits but were gravitationally flung into their present-day elliptical orbits when they ventured too close to planets.

彗星在圆形轨道上形成，但当它们冒险太接近行星时，就会被引力抛入现在的椭圆轨道。

3.Its huge elliptical form is enveloped in a dense latticework of steel columns.

它的巨大的椭圆形的形状由密集的由钢铁组成的格子所包裹。

4.You're ready to hit the elliptical machine or the running trails.

你要准备打开椭圆机或者在跑道跑步。

5.Sometimes it is a little more circular, sometimes it is more elliptical.

有时它更圆一点，有时它更像椭圆。

6.Still, elliptical galaxies can be very large.

但椭圆星系可以非常巨大。

7.Few new stars are known to form in elliptical galaxies.

几乎没有已知的新恒星形成于椭圆星系。

8.It's always negative. Okay, later in the course we will cover elliptical orbits.

总是负的，好吧，以后的课，我们会讲椭圆轨道。

9.The Moon's elliptical orbit means its distance from the Earth is not constant.

月球椭圆型的轨道意味着它到地球的距离是变化着的。

10.In astronomy, the orbits of planets around the sun are typically elliptical (椭圆形的).

在天文学中，行星围绕太阳的轨道通常是elliptical（椭圆形的）。

11.The elliptical (椭圆形的) garden design adds a unique touch to the landscape.

这种elliptical（椭圆形的）花园设计为景观增添了独特的风格。

12.He prefers using an elliptical (椭圆机) trainer for his workouts because it's low-impact.

他更喜欢使用elliptical（椭圆机）进行锻炼，因为它对关节的冲击较小。

13.The shape of the track is elliptical (椭圆形的), allowing athletes to run efficiently.

赛道的形状是elliptical（椭圆形的），使运动员能够高效地跑步。

14.The artist created an elliptical (椭圆形的) sculpture that draws the viewer's attention.

这位艺术家创作了一件elliptical（椭圆形的）雕塑，吸引了观众的注意。

作文

The concept of an elliptical orbit is fundamental in understanding how celestial bodies move in space. An elliptical shape resembles an elongated circle, and it plays a crucial role in the laws of planetary motion established by Johannes Kepler in the 17th century. According to Kepler's first law, planets travel around the sun in elliptical orbits, with the sun at one of the two foci of the ellipse. This discovery was revolutionary, as it contradicted the long-held belief that planets moved in perfect circular paths.To visualize an elliptical orbit, imagine stretching a circle into an oval form. The distance between the two foci remains constant, and this unique property allows for the variation in distance between a planet and the sun during its orbit. For instance, when Earth is closest to the sun, it experiences a phenomenon known as perihelion, while at its farthest point, called aphelion, the distance increases significantly. This elliptical nature of Earth's orbit affects seasonal changes and climatic conditions.Furthermore, the term elliptical can also be applied beyond astronomy. In mathematics, an elliptical curve is defined as a smooth, projective algebraic curve of genus one, with a specified point. These curves have significant implications in number theory and cryptography, particularly in the field of elliptic curve cryptography (ECC), which is widely used for secure communications over the internet.In everyday language, we often encounter the word elliptical in various contexts. For example, when describing speech or writing that is indirect or ambiguous, we might say it has an elliptical quality. This means that the message is not straightforward, leaving room for interpretation. In literature, authors may use elliptical expressions to create layers of meaning, inviting readers to engage more deeply with the text.Moreover, the fitness industry has popularized the term elliptical through exercise equipment known as elliptical trainers. These machines provide a low-impact cardiovascular workout that mimics the motion of running or walking without the stress on joints. The elliptical trainer has become a staple in gyms, appealing to individuals seeking to improve their fitness levels while minimizing the risk of injury.In conclusion, the term elliptical encompasses a variety of meanings across different fields, from astronomy to mathematics, literature, and fitness. Understanding its applications helps us appreciate the intricacies of our universe, the depth of language, and the importance of physical health. Whether we are observing the graceful paths of planets, decoding complex mathematical theories, interpreting literary works, or engaging in a workout, the concept of the elliptical enriches our experiences and knowledge in profound ways.

“椭圆”轨道的概念在理解天体如何在太空中运动时至关重要。“椭圆”形状类似于一个拉长的圆，它在约翰内斯·开普勒在17世纪建立的行星运动定律中起着关键作用。根据开普勒的第一定律，行星围绕太阳的运动是沿着“椭圆”轨道进行的，太阳位于椭圆的两个焦点之一。这一发现是革命性的，因为它与长期以来认为行星沿着完美圆形轨道运动的观点相矛盾。为了想象一个“椭圆”轨道，可以想象将一个圆拉伸成一个椭圆形。两个焦点之间的距离保持不变，这一独特的性质使得行星与太阳之间的距离在轨道上发生变化。例如，当地球距离太阳最近时，经历了一种称为近日点的现象，而在最远处，称为远日点，距离显著增加。这种地球轨道的“椭圆”特性影响了季节变化和气候条件。此外，“椭圆”这个词也可以在天文学之外的领域中使用。在数学中，椭圆曲线被定义为一种光滑的、投影代数曲线，具有指定的点。这些曲线在数论和密码学中具有重要意义，特别是在椭圆曲线密码学（ECC）领域，该领域被广泛应用于互联网安全通信。在日常语言中，我们经常在各种上下文中遇到“椭圆”这个词。例如，在描述间接或模糊的言语或写作时，我们可能会说它具有“椭圆”的特质。这意味着信息并不直接，留有解释的余地。在文学中，作者可能会使用“椭圆”的表达来创造多层含义，邀请读者更深入地参与文本。此外，健身行业通过称为椭圆训练器的运动设备普及了“椭圆”这个术语。这些机器提供低冲击的心血管锻炼，模拟跑步或走路的动作，而不会对关节造成压力。椭圆训练器已成为健身房的主打设备，吸引寻求改善健康水平而又尽量减少受伤风险的人群。总之，“椭圆”这个术语在不同领域中包含多种含义，从天文学到数学、文学和健身。理解其应用帮助我们欣赏宇宙的复杂性、语言的深度以及身体健康的重要性。无论我们是在观察行星优雅的轨迹、解码复杂的数学理论、解读文学作品，还是参与锻炼，“椭圆”的概念都在深刻地丰富我们的体验和知识。