n.椭圆

原形：ellipse复数：ellipses

The shape of the planet Mars is an ellipse, with its two foci located at the centers of its largest and smallest axes.
火星的形状是一个椭圆，其两个焦点位于最长和最短轴的中心。
In mathematics, an ellipse is defined as a plane curve surrounding two focal points, such that the sum of the distances from any point on the curve to these foci is constant.
在数学中，椭圆被定义为围绕两个焦点的平面曲线，该曲线上任意一点到这两个焦点的距离之和是常数。
The orbits of planets around the sun in our solar system are nearly elliptical.
太阳系中行星绕太阳运行的轨道几乎是椭圆形的。
The artist used an ellipse to draw the outline of the boat's hull in the painting.
艺术家在画作中用椭圆来勾勒出船体的轮廓。
An ellipse can be created by keeping a pencil fixed at one end while moving it around a pin at the other end, forming a string taut between them.
通过将铅笔一端固定，并让另一端绕着别针旋转，使两者之间拉紧一根绳子，就可以画出一个椭圆。
In architecture, elliptical arches have been employed for centuries due to their aesthetic appeal and structural integrity.
在建筑学中，由于椭圆拱门具有美观性和结构稳定性，几个世纪以来都被广泛采用。
The telescope's primary mirror is an ellipse, which helps gather light more efficiently from distant objects.
望远镜的主镜呈椭圆形，有助于更有效地从遥远天体收集光线。
The athlete's path around the track during the 400-meter race is essentially an ellipse, except for the turns.
运动员在进行400米比赛时，其行进轨迹基本上是一个椭圆，除了转弯部分。
The designer chose to use an elliptical table for the dining area because it offered a visually appealing balance between length and width.
设计师选择椭圆形餐桌用于餐厅区域，因为它在长度与宽度之间提供了视觉上的平衡美感。
The scientist measured the ellipticity of the galaxy's core to determine the distribution of dark matter within it.
科学家测量了星系核心的偏心率以确定其中暗物质的分布情况。