Man is not a circle with a single centre; he is an ellipse with a double focus.

人并不是只有一个圆心的圆圈；他是一个有两个焦点的椭圆。

youdao

The process is not a circle but rather a spiral.

这个过程不是一个圆周运动而是螺旋上升型的。

youdao

It is not a circle, but is close to a 12-gon with rounded corners.

它不是一个圆，却类似于一个圆角十二边形。

youdao

So, actually I want you to go ahead in your notes and circle that zero point and write "not a node."

在你们笔记上把这个零点圈出来,在旁边写上“不是节点“,它不是节点“

麻省理工公开课 - 化学原理课程节选

A circle, in other words, is not necessarily a vicious circle.

循环并不一定是恶性循环。

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Suppose the particle is not moving in a circle, but does this.

假设这个质点不是做圆周运动,而是这样

耶鲁公开课 - 基础物理课程节选

Since the orbit of the moon is not a perfect circle, there are times when the moon is closer to our planet.

CNN: Rare supermoon eclipse comes Sunday

The technology can make it sound as if a bird is flying around your head in a full circle, not just passing from one side of a room to the other.

BBC: 3D audio may revolutionise travel

This rhetoric is not limited to a small circle.

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