一周;一圈;
This is a chord of a circle.
这是个圆的弦.
The axis of a circle is its diameter.
圆的轴线是其直径.
A group of people made a circle around the Pentagon.
一群人在五角大楼四周围成一圈。
The diameter and the circumference of a circle correlate.
圆的直径与圆周有相互关系.
All points on a circle are equidistant from the centre.
圆周上各点离圆心的距离相等。
the centre of a circle
圆心
The children gather round in a circle.
孩子们围成了一圈.
They stood in half a circle.
他们站成半圆形.
Any two diameters of a circle intersect each other.
圆周内两直径必相交.
I wrote down the number 46 and drew a circle around it.
我写下46这个数字,又画了个圆将它圈起来。
This formula is used to calculate the area of a circle.
这个公式用于计算圆的面积。
We stood in a circle holding hands.
我们站成一圈,手牵着手。
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。
A diameter passes through the center of a circle.
直径从圆心穿过.
The children had a dance in a circle.
孩子们围成一圈跳舞.
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