The axis of a circle is its diameter.
圆的对称中心线就是直径。
This formula is used to calculate the area of a circle.
这个公式用于计算圆的面积。
The children stood in a circle.
孩子们站成一圈。
The monument consists of a circle of gigantic stones.
该纪念碑由一圈巨大的石碑组成。
All points on a circle are equidistant from the centre.
圆周上各点离圆心的距离相等。
He drew a circle in the sand with a stick.
他用枝条在沙地上画了一个圆。
A group of people made a circle around the Pentagon.
一群人绕五角大楼围成了一个圈。
Mark the wrong word with a circle.
把那个错字圈了。
你在吹一个圆吗？
他们跳成一个圆圈。
They kept moving in a circle around the swimmers.
他们围绕着游泳的人不停地转着圈。
Any two diameters of a circle intersect each other.
圆周内两直径必相交。
Bees can always tell the difference between a circle and an oval.
蜜蜂总能分辨出圆形和椭圆形。
Draw a circle in the middle of the page and write the vocabulary subject in the middle.
在纸的中间画一个圈，然后在其中写上单词主题。
His iron claw made a circle of dead water round him, from which they fled like affrighted fishes.
它的铁爪在他的周围形成了一圈死水，它们像受惊的鱼一样逃了出来。
它是一个圆，一个循环。
Children are hands in hands and make a circle.
孩子们手牵着手围成一个圈。
Likewise, a sign for OK, forming a circle with our forefinger and thumb, means zero in France and money in Japan.
同样地，用食指和大拇指围成一个圈的表示OK 的手势，在法国表示“零”，在日本表示“钱”。
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。
It was like trying to square a circle. That is, it was impossible.
这就好比要把圆的变成方的。也就是说，是不可能的。
Chairs in rows are not as conducive to discussion as chairs arranged in a circle.
椅子成排摆放不如成圈摆放便于讨论。
They formed a circle and sang "Auld Lang Syne."
他们围成一圈，唱起了《友谊地久天长》。
Everybody is on the dance floor with the men forming a circle around the women.
大家都在舞池里，男士绕着女士围成一个圈。
She walked the horse round in a circle.
她牵着马兜圈子。
The shark described a circle around the shoal of fish.
这条鲨鱼围绕着鱼群游动。
正方形里有一个圆。
On one part of the screen, a symbol would appear, and on the other side two symbols inside a circle were shown.
在屏幕的一侧会出现一个符号，而在另一侧，会显示圆圈内的两个符号。
Imagine you want to create a radial list box that arranges its content along a circle, like a carousel.
假设您想要创建一个放射状的列表框，将其内容沿圆周排列，就像一个旋转木马。
You may have a circle of friends who provide constant good humor, help and companionship.
你可能会有一群朋友，他们幽默感十足，还会源源不断地给你带来帮助和陪伴。
They come upon a clump or something, and they sort a circle of it to see whether it's more digestible.
他们碰到一个团块或其他东西，然后将其围起来，观察它是否更容易消化。
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