concentric circles
The street plan of the city has evolved as a series of concentric rings.
该城市的街道平面图像一圈圈的同心圆环。
—— 给力词典精选On a blackboard, he drew five concentric circles.
他在黑板上画了5个同心圆。
—— 辞典例句The concentric orifice is most frequently used type.
同心圆孔板是最经常使用的形式。
—— 辞典例句Drag to add up to 4 concentric circles with adjustable radii.
拖动此形状,可添加多达4个具有可调半径的同心圆。
—— 给力词典精选Many concentric circles were formed in the pond.
池塘里形成了很多同心圆。
—— 给力词典精选